212222120122101 has 16 divisors (see below), whose sum is σ = 291281626685504. Its totient is φ = 137339675483904.

The previous prime is 212222120122021. The next prime is 212222120122121. The reversal of 212222120122101 is 101221021222212.

It is not a de Polignac number, because 212222120122101 - 2³³ = 212213530187509 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 (212222120122121) 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, 2207701351 + ... + 2207797476.

It is an arithmetic number, because the mean of its divisors is an integer number (18205101667844).

Almost surely, 2^{212222120122101} is an apocalyptic number.

It is an amenable number.

212222120122101 is a deficient number, since it is larger than the sum of its proper divisors (79059506563403).

212222120122101 is a wasteful number, since it uses less digits than its factorization.

212222120122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415499300.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212222120122101 its reverse (101221021222212), we get a palindrome (313443141344313).

The spelling of 212222120122101 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred one".