121122021201222 has 16 divisors (see below), whose sum is σ = 243786998088432. Its totient is φ = 40116847786080.

The previous prime is 121122021201217. The next prime is 121122021201227. The reversal of 121122021201222 is 222102120221121.

It is an interprime number because it is at equal distance from previous prime (121122021201217) and next prime (121122021201227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122021201227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64289819229 + ... + 64289821112.

It is an arithmetic number, because the mean of its divisors is an integer number (15236687380527).

Almost surely, 2^{121122021201222} is an apocalyptic number.

121122021201222 is an abundant number, since it is smaller than the sum of its proper divisors (122664976887210).

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

121122021201222 is a wasteful number, since it uses less digits than its factorization.

121122021201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128579640503.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121122021201222 its reverse (222102120221121), we get a palindrome (343224141422343).

The spelling of 121122021201222 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-one million, two hundred one thousand, two hundred twenty-two".