201225664210 has 16 divisors (see below), whose sum is σ = 362215829016. Its totient is φ = 80488124928.

The previous prime is 201225664177. The next prime is 201225664231. The reversal of 201225664210 is 12466522102.

201225664210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103437494689 + 97788169521 = 321617^2 + 312711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159682 + ... + 654178.

Almost surely, 2^201225664210 is an apocalyptic number.

201225664210 is a deficient number, since it is larger than the sum of its proper divisors (160990164806).

201225664210 is a wasteful number, since it uses less digits than its factorization.

201225664210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535197.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 201225664210 in words is "two hundred one billion, two hundred twenty-five million, six hundred sixty-four thousand, two hundred ten".