211211102112112 has 40 divisors (see below), whose sum is σ = 415331236202256. Its totient is φ = 104028862350336.

The previous prime is 211211102112083. The next prime is 211211102112137. The reversal of 211211102112112 is 211211201112112.

It is a super-2 number, since 2×211211102112112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211211102112112.

It is a congruent number.

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, 361461978 + ... + 362045830.

Almost surely, 2^{211211102112112} is an apocalyptic number.

It is an amenable number.

211211102112112 is a deficient number, since it is larger than the sum of its proper divisors (204120134090144).

211211102112112 is a wasteful number, since it uses less digits than its factorization.

211211102112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921385 (or 921379 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 211211102112112 its reverse (211211201112112), we get a palindrome (422422303224224).

The spelling of 211211102112112 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, one hundred twelve thousand, one hundred twelve".