212112020100101 has 32 divisors (see below), whose sum is σ = 233695916633088. Its totient is φ = 190922996845440.

The previous prime is 212112020100091. The next prime is 212112020100103. The reversal of 212112020100101 is 101001020211212.

It is a cyclic number.

It is not a de Polignac number, because 212112020100101 - 2³⁰ = 212110946358277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112020100103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478600730 + ... + 479043716.

It is an arithmetic number, because the mean of its divisors is an integer number (7302997394784).

Almost surely, 2^{212112020100101} is an apocalyptic number.

It is an amenable number.

212112020100101 is a deficient number, since it is larger than the sum of its proper divisors (21583896532987).

212112020100101 is a wasteful number, since it uses less digits than its factorization.

212112020100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444281.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212112020100101 its reverse (101001020211212), we get a palindrome (313113040311313).

The spelling of 212112020100101 in words is "two hundred twelve trillion, one hundred twelve billion, twenty million, one hundred thousand, one hundred one".