202220222212100 has 72 divisors (see below), whose sum is σ = 439024709245248. Its totient is φ = 80849970115200.

The previous prime is 202220222212067. The next prime is 202220222212123. The reversal of 202220222212100 is 1212222022202.

It is a super-2 number, since 2×202220222212100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3365203055 + ... + 3365263145.

It is an arithmetic number, because the mean of its divisors is an integer number (6097565406184).

Almost surely, 2^{202220222212100} is an apocalyptic number.

202220222212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220222212100 is an abundant number, since it is smaller than the sum of its proper divisors (236804487033148).

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

202220222212100 is a wasteful number, since it uses less digits than its factorization.

202220222212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75405 (or 75398 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202220222212100 its reverse (1212222022202), we get a palindrome (203432444234302).

The spelling of 202220222212100 in words is "two hundred two trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, one hundred".