121112022131 has 2 divisors, whose sum is σ = 121112022132. Its totient is φ = 121112022130.

The previous prime is 121112022089. The next prime is 121112022137. The reversal of 121112022131 is 131220211121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (131220211121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121112022131 is a prime.

It is a super-2 number, since 2×121112022131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121112022137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556011065 + 60556011066.

It is an arithmetic number, because the mean of its divisors is an integer number (60556011066).

Almost surely, 2^121112022131 is an apocalyptic number.

121112022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112022131 is an equidigital number, since it uses as much as digits as its factorization.

121112022131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121112022131 its reverse (131220211121), we get a palindrome (252332233252).

The spelling of 121112022131 in words is "one hundred twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred thirty-one".