202200221221122 has 128 divisors (see below), whose sum is σ = 444303294543360. Its totient is φ = 61061602918400.

The previous prime is 202200221221121. The next prime is 202200221221127. The reversal of 202200221221122 is 221122122002202.

It is not an unprimeable number, because it can be changed into a prime (202200221221121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1417872622 + ... + 1418015222.

It is an arithmetic number, because the mean of its divisors is an integer number (3471119488620).

Almost surely, 2^{202200221221122} is an apocalyptic number.

202200221221122 is an abundant number, since it is smaller than the sum of its proper divisors (242103073322238).

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

202200221221122 is a wasteful number, since it uses less digits than its factorization.

202200221221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144108.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202200221221122 its reverse (221122122002202), we get a palindrome (423322343223324).

The spelling of 202200221221122 in words is "two hundred two trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".