10021222121022 has 24 divisors (see below), whose sum is σ = 24814454776176. Its totient is φ = 2863206320256.

The previous prime is 10021222121021. The next prime is 10021222121023. The reversal of 10021222121022 is 22012122212001.

It is a happy number.

10021222121022 is a `hidden beast` number, since 1 + 0 + 0 + 212 + 221 + 210 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (10021222121021) and next prime (10021222121023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10021222120986 and 10021222121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021222121021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39766754323 + ... + 39766754574.

It is an arithmetic number, because the mean of its divisors is an integer number (1033935615674).

Almost surely, 2^{10021222121022} is an apocalyptic number.

10021222121022 is an abundant number, since it is smaller than the sum of its proper divisors (14793232655154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021222121022 is a wasteful number, since it uses less digits than its factorization.

10021222121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79533508912 (or 79533508909 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10021222121022 its reverse (22012122212001), we get a palindrome (32033344333023).

The spelling of 10021222121022 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-two".