201020010121210 has 32 divisors (see below), whose sum is σ = 413542946581632. Its totient is φ = 68918468224320.

The previous prime is 201020010121187. The next prime is 201020010121241. The reversal of 201020010121210 is 12121010020102.

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, 53979072 + ... + 57582811.

It is an arithmetic number, because the mean of its divisors is an integer number (12923217080676).

Almost surely, 2^{201020010121210} is an apocalyptic number.

201020010121210 is an abundant number, since it is smaller than the sum of its proper divisors (212522936460422).

201020010121210 is a wasteful number, since it uses less digits than its factorization.

201020010121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111587638.

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

Adding to 201020010121210 its reverse (12121010020102), we get a palindrome (213141020141312).

The spelling of 201020010121210 in words is "two hundred one trillion, twenty billion, ten million, one hundred twenty-one thousand, two hundred ten".