201212210111110 has 64 divisors (see below), whose sum is σ = 399073071716928. Its totient is φ = 72433926400000.

The previous prime is 201212210111063. The next prime is 201212210111147. The reversal of 201212210111110 is 11111012212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81903450 + ... + 84324370.

It is an arithmetic number, because the mean of its divisors is an integer number (6235516745577).

Almost surely, 2^{201212210111110} is an apocalyptic number.

201212210111110 is a deficient number, since it is larger than the sum of its proper divisors (197860861605818).

201212210111110 is a wasteful number, since it uses less digits than its factorization.

201212210111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428521.

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

Adding to 201212210111110 its reverse (11111012212102), we get a palindrome (212323222323212).

The spelling of 201212210111110 in words is "two hundred one trillion, two hundred twelve billion, two hundred ten million, one hundred eleven thousand, one hundred ten".