121132331022 has 32 divisors (see below), whose sum is σ = 247967660160. Its totient is φ = 39427466400.

The previous prime is 121132331011. The next prime is 121132331027. The reversal of 121132331022 is 220133231121.

It is a self number, because there is not a number n which added to its sum of digits gives 121132331022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132331027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891429 + ... + 1018287.

It is an arithmetic number, because the mean of its divisors is an integer number (7748989380).

Almost surely, 2^121132331022 is an apocalyptic number.

121132331022 is an abundant number, since it is smaller than the sum of its proper divisors (126835329138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121132331022 is a wasteful number, since it uses less digits than its factorization.

121132331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130608.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121132331022 its reverse (220133231121), we get a palindrome (341265562143).

Subtracting 121132331022 from its reverse (220133231121), we obtain a palindrome (99000900099).

The spelling of 121132331022 in words is "one hundred twenty-one billion, one hundred thirty-two million, three hundred thirty-one thousand, twenty-two".