202102011012210 has 32 divisors (see below), whose sum is σ = 501770510101440. Its totient is φ = 52035460306368.

The previous prime is 202102011012197. The next prime is 202102011012211. The reversal of 202102011012210 is 12210110201202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202102011012210.

It is not an unprimeable number, because it can be changed into a prime (202102011012211) 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, 116150580172 + ... + 116150581911.

It is an arithmetic number, because the mean of its divisors is an integer number (15680328440670).

Almost surely, 2^{202102011012210} is an apocalyptic number.

202102011012210 is an abundant number, since it is smaller than the sum of its proper divisors (299668499089230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202102011012210 is a wasteful number, since it uses less digits than its factorization.

202102011012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232301162122.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202102011012210 its reverse (12210110201202), we get a palindrome (214312121213412).

The spelling of 202102011012210 in words is "two hundred two trillion, one hundred two billion, eleven million, twelve thousand, two hundred ten".