100121021200112 has 40 divisors (see below), whose sum is σ = 216780880729392. Its totient is φ = 44399565939200.

The previous prime is 100121021200103. The next prime is 100121021200163. The reversal of 100121021200112 is 211002120121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6937424963 + ... + 6937439394.

Almost surely, 2^{100121021200112} is an apocalyptic number.

It is an amenable number.

100121021200112 is an abundant number, since it is smaller than the sum of its proper divisors (116659859529280).

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

100121021200112 is a wasteful number, since it uses less digits than its factorization.

100121021200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13874864417 (or 13874864411 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100121021200112 its reverse (211002120121001), we get a palindrome (311123141321113).

The spelling of 100121021200112 in words is "one hundred trillion, one hundred twenty-one billion, twenty-one million, two hundred thousand, one hundred twelve".