211120211220112 has 20 divisors (see below), whose sum is σ = 409137061944960. Its totient is φ = 105536453298848.

The previous prime is 211120211220101. The next prime is 211120211220181. The reversal of 211120211220112 is 211022112021112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211120211220112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478195812 + ... + 1478338627.

It is an arithmetic number, because the mean of its divisors is an integer number (20456853097248).

Almost surely, 2^{211120211220112} is an apocalyptic number.

It is an amenable number.

211120211220112 is a deficient number, since it is larger than the sum of its proper divisors (198016850724848).

211120211220112 is a wasteful number, since it uses less digits than its factorization.

211120211220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956538910 (or 2956538904 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211120211220112 its reverse (211022112021112), we get a palindrome (422142323241224).

The spelling of 211120211220112 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".