211112011012 has 18 divisors (see below), whose sum is σ = 429763737102. Its totient is φ = 90476576064.

The previous prime is 211112010997. The next prime is 211112011021. The reversal of 211112011012 is 210110211112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 140943179776 + 70168831236 = 375424^2 + 264894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211112010983 and 211112011001.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538550853 + ... + 538551244.

Almost surely, 2^211112011012 is an apocalyptic number.

It is an amenable number.

211112011012 is an abundant number, since it is smaller than the sum of its proper divisors (218651726090).

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

211112011012 is a wasteful number, since it uses less digits than its factorization.

211112011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077102115 (or 1077102106 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211112011012 its reverse (210110211112), we get a palindrome (421222222124).

The spelling of 211112011012 in words is "two hundred eleven billion, one hundred twelve million, eleven thousand, twelve".