121122100020931 has 2 divisors, whose sum is σ = 121122100020932. Its totient is φ = 121122100020930.

The previous prime is 121122100020839. The next prime is 121122100021037. The reversal of 121122100020931 is 139020001221121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121122100020931 - 2²¹ = 121122097923779 is a prime.

It is a super-2 number, since 2×121122100020931² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121122100020896 and 121122100020905.

It is not a weakly prime, because it can be changed into another prime (121122100020331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561050010465 + 60561050010466.

It is an arithmetic number, because the mean of its divisors is an integer number (60561050010466).

Almost surely, 2^{121122100020931} is an apocalyptic number.

121122100020931 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122100020931 is an equidigital number, since it uses as much as digits as its factorization.

121122100020931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 121122100020931 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, twenty thousand, nine hundred thirty-one".