211908818096 has 20 divisors (see below), whose sum is σ = 424731037200. Its totient is φ = 102300808512.

The previous prime is 211908818071. The next prime is 211908818123. The reversal of 211908818096 is 690818809112.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 228349556 + ... + 228350483.

It is an arithmetic number, because the mean of its divisors is an integer number (21236551860).

Almost surely, 2^211908818096 is an apocalyptic number.

It is an amenable number.

211908818096 is an abundant number, since it is smaller than the sum of its proper divisors (212822219104).

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

211908818096 is a wasteful number, since it uses less digits than its factorization.

211908818096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456700076 (or 456700070 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 53.

The spelling of 211908818096 in words is "two hundred eleven billion, nine hundred eight million, eight hundred eighteen thousand, ninety-six".