211112022012 has 48 divisors (see below), whose sum is σ = 521615378592. Its totient is φ = 66225571840.

The previous prime is 211112021947. The next prime is 211112022049. The reversal of 211112022012 is 210220211112.

It is a junction number, because it is equal to n+sod(n) for n = 211112021982 and 211112022000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2801062 + ... + 2875442.

It is an arithmetic number, because the mean of its divisors is an integer number (10866987054).

Almost surely, 2^211112022012 is an apocalyptic number.

It is an amenable number.

211112022012 is an abundant number, since it is smaller than the sum of its proper divisors (310503356580).

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

211112022012 is a wasteful number, since it uses less digits than its factorization.

211112022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88318 (or 88316 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211112022012 its reverse (210220211112), we get a palindrome (421332233124).

The spelling of 211112022012 in words is "two hundred eleven billion, one hundred twelve million, twenty-two thousand, twelve".