211211112010122 has 48 divisors (see below), whose sum is σ = 537134050632192. Its totient is φ = 58715058163680.

The previous prime is 211211112010109. The next prime is 211211112010201. The reversal of 211211112010122 is 221010211112112.

It is a happy number.

211211112010122 is a `hidden beast` number, since 211 + 21 + 111 + 201 + 0 + 122 = 666.

It is a super-2 number, since 2×211211112010122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211211112010095 and 211211112010104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22652409754 + ... + 22652419077.

It is an arithmetic number, because the mean of its divisors is an integer number (11190292721504).

Almost surely, 2^{211211112010122} is an apocalyptic number.

211211112010122 is an abundant number, since it is smaller than the sum of its proper divisors (325922938622070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211211112010122 is a wasteful number, since it uses less digits than its factorization.

211211112010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45304828883 (or 45304828880 counting only the distinct ones).

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

Adding to 211211112010122 its reverse (221010211112112), we get a palindrome (432221323122234).

The spelling of 211211112010122 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred twelve million, ten thousand, one hundred twenty-two".