30112100121102 has 32 divisors (see below), whose sum is σ = 62315588472480. Its totient is φ = 9688965242880.

The previous prime is 30112100121097. The next prime is 30112100121109. The reversal of 30112100121102 is 20112100121103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112100121109) 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, 19665043 + ... + 21140910.

It is an arithmetic number, because the mean of its divisors is an integer number (1947362139765).

Almost surely, 2^{30112100121102} is an apocalyptic number.

30112100121102 is an abundant number, since it is smaller than the sum of its proper divisors (32203488351378).

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

30112100121102 is a wasteful number, since it uses less digits than its factorization.

30112100121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40810228.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 30112100121102 its reverse (20112100121103), we get a palindrome (50224200242205).

Subtracting from 30112100121102 its reverse (20112100121103), we obtain a palindrome (9999999999999).

The spelling of 30112100121102 in words is "thirty trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred two".