100120211211 has 16 divisors (see below), whose sum is σ = 137362821120. Its totient is φ = 64826806080.

The previous prime is 100120211083. The next prime is 100120211227. The reversal of 100120211211 is 112112021001.

It is not a de Polignac number, because 100120211211 - 2⁷ = 100120211083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100120211311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1797651 + ... + 1852508.

It is an arithmetic number, because the mean of its divisors is an integer number (8585176320).

Almost surely, 2^100120211211 is an apocalyptic number.

100120211211 is a deficient number, since it is larger than the sum of its proper divisors (37242609909).

100120211211 is a wasteful number, since it uses less digits than its factorization.

100120211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650426.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100120211211 its reverse (112112021001), we get a palindrome (212232232212).

The spelling of 100120211211 in words is "one hundred billion, one hundred twenty million, two hundred eleven thousand, two hundred eleven".