100110122221212 has 36 divisors (see below), whose sum is σ = 255377758275640. Its totient is φ = 33063893576352.

The previous prime is 100110122221169. The next prime is 100110122221229. The reversal of 100110122221212 is 212122221011001.

100110122221212 is a `hidden beast` number, since 1 + 0 + 0 + 110 + 122 + 221 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×100110122221212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12756127858 + ... + 12756135705.

Almost surely, 2^{100110122221212} is an apocalyptic number.

100110122221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100110122221212 is an abundant number, since it is smaller than the sum of its proper divisors (155267636054428).

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

100110122221212 is a wasteful number, since it uses less digits than its factorization.

100110122221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25512263682 (or 25512263677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100110122221212 its reverse (212122221011001), we get a palindrome (312232343232213).

The spelling of 100110122221212 in words is "one hundred trillion, one hundred ten billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twelve".