121331110110030 has 80 divisors (see below), whose sum is σ = 326380858792560. Its totient is φ = 32341575760128.

The previous prime is 121331110109983. The next prime is 121331110110043. The reversal of 121331110110030 is 30011011133121.

121331110110030 is a `hidden beast` number, since 1 + 213 + 311 + 1 + 0 + 110 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121331110109985 and 121331110110012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29029300 + ... + 32944839.

It is an arithmetic number, because the mean of its divisors is an integer number (4079760734907).

Almost surely, 2^{121331110110030} is an apocalyptic number.

121331110110030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121331110110030 is an abundant number, since it is smaller than the sum of its proper divisors (205049748682530).

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

121331110110030 is a wasteful number, since it uses less digits than its factorization.

121331110110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61976575 (or 61976566 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 121331110110030 its reverse (30011011133121), we get a palindrome (151342121243151).

The spelling of 121331110110030 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, one hundred ten million, one hundred ten thousand, thirty".