202211021221012 has 18 divisors (see below), whose sum is σ = 354736609809918. Its totient is φ = 100858308539328.

The previous prime is 202211021220997. The next prime is 202211021221021. The reversal of 202211021221012 is 210122120112202.

It can be written as a sum of positive squares in 3 ways, for example, as 160746745816836 + 41464275404176 = 12678594^2 + 6439276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150432183 + ... + 151770430.

Almost surely, 2^{202211021221012} is an apocalyptic number.

It is an amenable number.

202211021221012 is a deficient number, since it is larger than the sum of its proper divisors (152525588588906).

202211021221012 is an equidigital number, since it uses as much as digits as its factorization.

202211021221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302203435 (or 302203024 counting only the distinct ones).

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

Adding to 202211021221012 its reverse (210122120112202), we get a palindrome (412333141333214).

The spelling of 202211021221012 in words is "two hundred two trillion, two hundred eleven billion, twenty-one million, two hundred twenty-one thousand, twelve".