12100112121102 has 32 divisors (see below), whose sum is σ = 24853196044800. Its totient is φ = 3925500916608.

The previous prime is 12100112121091. The next prime is 12100112121107. The reversal of 12100112121102 is 20112121100121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100112121107) 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, 119804827 + ... + 119905782.

It is an arithmetic number, because the mean of its divisors is an integer number (776662376400).

Almost surely, 2^{12100112121102} is an apocalyptic number.

12100112121102 is an abundant number, since it is smaller than the sum of its proper divisors (12753083923698).

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

12100112121102 is a wasteful number, since it uses less digits than its factorization.

12100112121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239710840.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12100112121102 its reverse (20112121100121), we get a palindrome (32212233221223).

The spelling of 12100112121102 in words is "twelve trillion, one hundred billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".