22021000102200 has 96 divisors (see below), whose sum is σ = 74471018549760. Its totient is φ = 5338424265600.

The previous prime is 22021000102183. The next prime is 22021000102259. The reversal of 22021000102200 is 220100012022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 1668250984 + ... + 1668264183.

It is an arithmetic number, because the mean of its divisors is an integer number (775739776560).

Almost surely, 2^{22021000102200} is an apocalyptic number.

22021000102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021000102200 is an abundant number, since it is smaller than the sum of its proper divisors (52450018447560).

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

22021000102200 is a wasteful number, since it uses less digits than its factorization.

22021000102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336515197 (or 3336515188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22021000102200 its reverse (220100012022), we get a palindrome (22241100114222).

The spelling of 22021000102200 in words is "twenty-two trillion, twenty-one billion, one hundred two thousand, two hundred".