201122211110 has 32 divisors (see below), whose sum is σ = 367996027392. Its totient is φ = 79129416160.

The previous prime is 201122211041. The next prime is 201122211119. The reversal of 201122211110 is 11112221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122211119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345326 + ... + 722145.

It is an arithmetic number, because the mean of its divisors is an integer number (11499875856).

Almost surely, 2^201122211110 is an apocalyptic number.

201122211110 is a deficient number, since it is larger than the sum of its proper divisors (166873816282).

201122211110 is a wasteful number, since it uses less digits than its factorization.

201122211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067788.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201122211110 its reverse (11112221102), we get a palindrome (212234432212).

The spelling of 201122211110 in words is "two hundred one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred ten".