211201220110 has 32 divisors (see below), whose sum is σ = 400347914400. Its totient is φ = 79998710400.

The previous prime is 211201220059. The next prime is 211201220147. The reversal of 211201220110 is 11022102112.

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, 186160 + ... + 676060.

It is an arithmetic number, because the mean of its divisors is an integer number (12510872325).

Almost surely, 2^211201220110 is an apocalyptic number.

211201220110 is a deficient number, since it is larger than the sum of its proper divisors (189146694290).

211201220110 is a wasteful number, since it uses less digits than its factorization.

211201220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492196.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211201220110 its reverse (11022102112), we get a palindrome (222223322222).

The spelling of 211201220110 in words is "two hundred eleven billion, two hundred one million, two hundred twenty thousand, one hundred ten".