100000022220212 has 12 divisors (see below), whose sum is σ = 175000258487040. Its totient is φ = 49999948366776.

The previous prime is 100000022220193. The next prime is 100000022220247. The reversal of 100000022220212 is 212022220000001.

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, 12003758 + ... + 18549669.

It is an arithmetic number, because the mean of its divisors is an integer number (14583354873920).

Almost surely, 2^{100000022220212} is an apocalyptic number.

It is an amenable number.

100000022220212 is a deficient number, since it is larger than the sum of its proper divisors (75000236266828).

100000022220212 is a wasteful number, since it uses less digits than its factorization.

100000022220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371670 (or 31371668 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100000022220212 its reverse (212022220000001), we get a palindrome (312022242220213).

The spelling of 100000022220212 in words is "one hundred trillion, twenty-two million, two hundred twenty thousand, two hundred twelve".