122311210203131 has 32 divisors (see below), whose sum is σ = 129616120200960. Its totient is φ = 115249780888704.

The previous prime is 122311210203103. The next prime is 122311210203223. The reversal of 122311210203131 is 131302012113221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122311210203131 is a prime.

It is a super-2 number, since 2×122311210203131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122311210203097 and 122311210203106.

It is not an unprimeable number, because it can be changed into a prime (122311210203331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94484456 + ... + 95770218.

It is an arithmetic number, because the mean of its divisors is an integer number (4050503756280).

Almost surely, 2^{122311210203131} is an apocalyptic number.

122311210203131 is a deficient number, since it is larger than the sum of its proper divisors (7304909997829).

122311210203131 is a wasteful number, since it uses less digits than its factorization.

122311210203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286315.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 122311210203131 its reverse (131302012113221), we get a palindrome (253613222316352).

The spelling of 122311210203131 in words is "one hundred twenty-two trillion, three hundred eleven billion, two hundred ten million, two hundred three thousand, one hundred thirty-one".