100220111201212 has 12 divisors (see below), whose sum is σ = 175386193059616. Its totient is φ = 50109770327040.

The previous prime is 100220111201179. The next prime is 100220111201227. The reversal of 100220111201212 is 212102111022001.

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, 70526964 + ... + 71933947.

Almost surely, 2^{100220111201212} is an apocalyptic number.

It is an amenable number.

100220111201212 is a deficient number, since it is larger than the sum of its proper divisors (75166081858404).

100220111201212 is a wasteful number, since it uses less digits than its factorization.

100220111201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142636788 (or 142636786 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100220111201212 its reverse (212102111022001), we get a palindrome (312322222223213).

The spelling of 100220111201212 in words is "one hundred trillion, two hundred twenty billion, one hundred eleven million, two hundred one thousand, two hundred twelve".