100121102221112 has 64 divisors (see below), whose sum is σ = 233624558016000. Its totient is φ = 39248925722496.

The previous prime is 100121102221109. The next prime is 100121102221121. The reversal of 100121102221112 is 211122201121001.

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, 1622361908 + ... + 1622423619.

It is an arithmetic number, because the mean of its divisors is an integer number (3650383719000).

Almost surely, 2^{100121102221112} is an apocalyptic number.

It is an amenable number.

100121102221112 is an abundant number, since it is smaller than the sum of its proper divisors (133503455794888).

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

100121102221112 is a wasteful number, since it uses less digits than its factorization.

100121102221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244785588 (or 3244785584 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100121102221112 its reverse (211122201121001), we get a palindrome (311243303342113).

The spelling of 100121102221112 in words is "one hundred trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty-one thousand, one hundred twelve".