121331012013310 has 32 divisors (see below), whose sum is σ = 243790684612992. Its totient is φ = 43094312933280.

The previous prime is 121331012013287. The next prime is 121331012013319. The reversal of 121331012013310 is 13310210133121.

It is a super-2 number, since 2×121331012013310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331012013319) 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 15 ways as a sum of consecutive naturals, for example, 12825683644 + ... + 12825693103.

It is an arithmetic number, because the mean of its divisors is an integer number (7618458894156).

Almost surely, 2^{121331012013310} is an apocalyptic number.

121331012013310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121331012013310 is an abundant number, since it is smaller than the sum of its proper divisors (122459672599682).

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

121331012013310 is a wasteful number, since it uses less digits than its factorization.

121331012013310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25651376808.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 121331012013310 its reverse (13310210133121), we get a palindrome (134641222146431).

The spelling of 121331012013310 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, twelve million, thirteen thousand, three hundred ten".