212011112222122 has 16 divisors (see below), whose sum is σ = 336436570584000. Its totient is φ = 99921661456320.

The previous prime is 212011112222099. The next prime is 212011112222177. The reversal of 212011112222122 is 221222211110212.

It is a super-2 number, since 2×212011112222122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212011112222093 and 212011112222102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14018182879 + ... + 14018198002.

It is an arithmetic number, because the mean of its divisors is an integer number (21027285661500).

Almost surely, 2^{212011112222122} is an apocalyptic number.

212011112222122 is a deficient number, since it is larger than the sum of its proper divisors (124425458361878).

212011112222122 is a wasteful number, since it uses less digits than its factorization.

212011112222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28036381101.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 212011112222122 its reverse (221222211110212), we get a palindrome (433233323332334).

The spelling of 212011112222122 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".