20222122102100 has 72 divisors (see below), whose sum is σ = 46195277271360. Its totient is φ = 7662507275520.

The previous prime is 20222122102073. The next prime is 20222122102109. The reversal of 20222122102100 is 120122122202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222122102109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23705177 + ... + 24543423.

Almost surely, 2^{20222122102100} is an apocalyptic number.

20222122102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222122102100 is an abundant number, since it is smaller than the sum of its proper divisors (25973155169260).

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

20222122102100 is a wasteful number, since it uses less digits than its factorization.

20222122102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850977 (or 850970 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20222122102100 its reverse (120122122202), we get a palindrome (20342244224302).

It can be divided in two parts, 20222122102 and 100, that added together give a palindrome (20222122202).

The spelling of 20222122102100 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, one hundred".