22100201201020 has 24 divisors (see below), whose sum is σ = 46430505017568. Its totient is φ = 8836255243200.

The previous prime is 22100201201011. The next prime is 22100201201033. The reversal of 22100201201020 is 2010210200122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239029951 + ... + 239122390.

It is an arithmetic number, because the mean of its divisors is an integer number (1934604375732).

Almost surely, 2^{22100201201020} is an apocalyptic number.

22100201201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100201201020 is an abundant number, since it is smaller than the sum of its proper divisors (24330303816548).

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

22100201201020 is a wasteful number, since it uses less digits than its factorization.

22100201201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478154661 (or 478154659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100201201020 its reverse (2010210200122), we get a palindrome (24110411401142).

The spelling of 22100201201020 in words is "twenty-two trillion, one hundred billion, two hundred one million, two hundred one thousand, twenty".