22212020320100 has 54 divisors (see below), whose sum is σ = 52192990509030. Its totient is φ = 8201361342720.

The previous prime is 22212020320031. The next prime is 22212020320117. The reversal of 22212020320100 is 102302021222.

It can be written as a sum of positive squares in 9 ways, for example, as 6068773126144 + 16143247193956 = 2463488^2 + 4017866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 657143465 + ... + 657177264.

Almost surely, 2^{22212020320100} is an apocalyptic number.

22212020320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212020320100 is an abundant number, since it is smaller than the sum of its proper divisors (29980970188930).

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

22212020320100 is a wasteful number, since it uses less digits than its factorization.

22212020320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314320769 (or 1314320749 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22212020320100 its reverse (102302021222), we get a palindrome (22314322341322).

The spelling of 22212020320100 in words is "twenty-two trillion, two hundred twelve billion, twenty million, three hundred twenty thousand, one hundred".