100121022220112 has 20 divisors (see below), whose sum is σ = 198495747542400. Its totient is φ = 48896313176928.

The previous prime is 100121022220067. The next prime is 100121022220147. The reversal of 100121022220112 is 211022220121001.

It is a super-3 number, since 3×100121022220112³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72762370112 + ... + 72762371487.

It is an arithmetic number, because the mean of its divisors is an integer number (9924787377120).

Almost surely, 2^{100121022220112} is an apocalyptic number.

It is an amenable number.

100121022220112 is a deficient number, since it is larger than the sum of its proper divisors (98374725322288).

100121022220112 is a wasteful number, since it uses less digits than its factorization.

100121022220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145524741650 (or 145524741644 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100121022220112 its reverse (211022220121001), we get a palindrome (311143242341113).

The spelling of 100121022220112 in words is "one hundred trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, one hundred twelve".