211202221002 has 16 divisors (see below), whose sum is σ = 422412241440. Its totient is φ = 70399440432.

The previous prime is 211202220991. The next prime is 211202221033. The reversal of 211202221002 is 200122202112.

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, 62613 + ... + 652935.

It is an arithmetic number, because the mean of its divisors is an integer number (26400765090).

Almost surely, 2^211202221002 is an apocalyptic number.

211202221002 is an abundant number, since it is smaller than the sum of its proper divisors (211210020438).

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

211202221002 is a wasteful number, since it uses less digits than its factorization.

211202221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649957.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211202221002 its reverse (200122202112), we get a palindrome (411324423114).

The spelling of 211202221002 in words is "two hundred eleven billion, two hundred two million, two hundred twenty-one thousand, two".