101212101122211 has 24 divisors (see below), whose sum is σ = 147646341002160. Its totient is φ = 66805035720000.

The previous prime is 101212101122191. The next prime is 101212101122233. The reversal of 101212101122211 is 112221101212101.

It is a happy number.

101212101122211 is a `hidden beast` number, since 1 + 0 + 121 + 210 + 1 + 122 + 211 = 666.

It is not a de Polignac number, because 101212101122211 - 2⁶ = 101212101122147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212101122311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36456361 + ... + 39134261.

It is an arithmetic number, because the mean of its divisors is an integer number (6151930875090).

Almost surely, 2^{101212101122211} is an apocalyptic number.

101212101122211 is a deficient number, since it is larger than the sum of its proper divisors (46434239879949).

101212101122211 is a wasteful number, since it uses less digits than its factorization.

101212101122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719587 (or 2719584 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101212101122211 its reverse (112221101212101), we get a palindrome (213433202334312).

The spelling of 101212101122211 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, one hundred twenty-two thousand, two hundred eleven".