121020022111331 has 36 divisors (see below), whose sum is σ = 147203650742904. Its totient is φ = 99195537672000.

The previous prime is 121020022111321. The next prime is 121020022111361. The reversal of 121020022111331 is 133111220020121.

It is not a de Polignac number, because 121020022111331 - 2²⁶ = 121019955002467 is a prime.

It is a super-2 number, since 2×121020022111331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121020022111321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 99215591 + ... + 100427951.

It is an arithmetic number, because the mean of its divisors is an integer number (4088990298414).

Almost surely, 2^{121020022111331} is an apocalyptic number.

121020022111331 is a deficient number, since it is larger than the sum of its proper divisors (26183628631573).

121020022111331 is a wasteful number, since it uses less digits than its factorization.

121020022111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216272 (or 1216242 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121020022111331 its reverse (133111220020121), we get a palindrome (254131242131452).

The spelling of 121020022111331 in words is "one hundred twenty-one trillion, twenty billion, twenty-two million, one hundred eleven thousand, three hundred thirty-one".