121331120222131 has 8 divisors (see below), whose sum is σ = 124610686136064. Its totient is φ = 118051572542400.

The previous prime is 121331120222129. The next prime is 121331120222239. The reversal of 121331120222131 is 131222021133121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121331120222131 - 2¹ = 121331120222129 is a prime.

It is a super-2 number, since 2×121331120222131² (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 = 121331120222096 and 121331120222105.

It is not an unprimeable number, because it can be changed into a prime (121331120232131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9508206 + ... + 18250156.

It is an arithmetic number, because the mean of its divisors is an integer number (15576335767008).

Almost surely, 2^{121331120222131} is an apocalyptic number.

121331120222131 is a deficient number, since it is larger than the sum of its proper divisors (3279565913933).

121331120222131 is an equidigital number, since it uses as much as digits as its factorization.

121331120222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117101.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121331120222131 its reverse (131222021133121), we get a palindrome (252553141355252).

The spelling of 121331120222131 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, one hundred twenty million, two hundred twenty-two thousand, one hundred thirty-one".