221012210211022 has 32 divisors (see below), whose sum is σ = 349944120763200. Its totient is φ = 104476462810368.

The previous prime is 221012210210993. The next prime is 221012210211041. The reversal of 221012210211022 is 220112012210122.

It is a congruent number.

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, 1800504 + ... + 21101332.

It is an arithmetic number, because the mean of its divisors is an integer number (10935753773850).

Almost surely, 2^{221012210211022} is an apocalyptic number.

221012210211022 is a deficient number, since it is larger than the sum of its proper divisors (128931910552178).

221012210211022 is a wasteful number, since it uses less digits than its factorization.

221012210211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303740.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221012210211022 its reverse (220112012210122), we get a palindrome (441124222421144).

The spelling of 221012210211022 in words is "two hundred twenty-one trillion, twelve billion, two hundred ten million, two hundred eleven thousand, twenty-two".