13121021111030 has 32 divisors (see below), whose sum is σ = 27721323372096. Its totient is φ = 4377051057024.

The previous prime is 13121021110999. The next prime is 13121021111047. The reversal of 13121021111030 is 3011112012131.

It is a super-2 number, since 2×13121021111030² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2533013069 + ... + 2533018248.

It is an arithmetic number, because the mean of its divisors is an integer number (866291355378).

Almost surely, 2^{13121021111030} is an apocalyptic number.

13121021111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121021111030 is an abundant number, since it is smaller than the sum of its proper divisors (14600302261066).

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

13121021111030 is a wasteful number, since it uses less digits than its factorization.

13121021111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066031368.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 13121021111030 its reverse (3011112012131), we get a palindrome (16132133123161).

The spelling of 13121021111030 in words is "thirteen trillion, one hundred twenty-one billion, twenty-one million, one hundred eleven thousand, thirty".