201001021012210 has 32 divisors (see below), whose sum is σ = 368629900648560. Its totient is φ = 78883074386688.

The previous prime is 201001021012123. The next prime is 201001021012223. The reversal of 201001021012210 is 12210120100102.

It can be written as a sum of positive squares in 8 ways, for example, as 123822880870329 + 77178140141881 = 11127573^2 + 8785109^2 .

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, 144343156 + ... + 145729024.

Almost surely, 2^{201001021012210} is an apocalyptic number.

201001021012210 is a deficient number, since it is larger than the sum of its proper divisors (167628879636350).

201001021012210 is a wasteful number, since it uses less digits than its factorization.

201001021012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659582.

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

Adding to 201001021012210 its reverse (12210120100102), we get a palindrome (213211141112312).

The spelling of 201001021012210 in words is "two hundred one trillion, one billion, twenty-one million, twelve thousand, two hundred ten".