1021020202202 has 192 divisors, whose sum is σ = 2100560926464. Its totient is φ = 361393643520.

The previous prime is 1021020202199. The next prime is 1021020202207. The reversal of 1021020202202 is 2022020201201.

It is a super-2 number, since 2×1021020202202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1021020202207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 497329808 + ... + 497331860.

It is an arithmetic number, because the mean of its divisors is an integer number (10940421492).

Almost surely, 2^{1021020202202} is an apocalyptic number.

1021020202202 is an abundant number, since it is smaller than the sum of its proper divisors (1079540724262).

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

1021020202202 is a wasteful number, since it uses less digits than its factorization.

1021020202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1021020202202 its reverse (2022020201201), we get a palindrome (3043040403403).

The spelling of 1021020202202 in words is "one trillion, twenty-one billion, twenty million, two hundred two thousand, two hundred two".