121122102321131 has 4 divisors (see below), whose sum is σ = 121124430704064. Its totient is φ = 121119773938200.

The previous prime is 121122102321089. The next prime is 121122102321161. The reversal of 121122102321131 is 131123201221121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121122102321131 is a prime.

It is a super-2 number, since 2×121122102321131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121122102321097 and 121122102321106.

It is not an unprimeable number, because it can be changed into a prime (121122102321161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164113435 + ... + 1164217476.

It is an arithmetic number, because the mean of its divisors is an integer number (30281107676016).

Almost surely, 2^{121122102321131} is an apocalyptic number.

121122102321131 is a deficient number, since it is larger than the sum of its proper divisors (2328382933).

121122102321131 is an equidigital number, since it uses as much as digits as its factorization.

121122102321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328382932.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 121122102321131 its reverse (131123201221121), we get a palindrome (252245303542252).

The spelling of 121122102321131 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred two million, three hundred twenty-one thousand, one hundred thirty-one".