22201011100020 has 24 divisors (see below), whose sum is σ = 62162831080224. Its totient is φ = 5920269626656.

The previous prime is 22201011100019. The next prime is 22201011100031. The reversal of 22201011100020 is 2000111010222.

It is a super-2 number, since 2×22201011100020² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22201011099969 and 22201011100005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185008425774 + ... + 185008425893.

It is an arithmetic number, because the mean of its divisors is an integer number (2590117961676).

Almost surely, 2^{22201011100020} is an apocalyptic number.

22201011100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201011100020 is an abundant number, since it is smaller than the sum of its proper divisors (39961819980204).

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

22201011100020 is a wasteful number, since it uses less digits than its factorization.

22201011100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370016851679 (or 370016851677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22201011100020 its reverse (2000111010222), we get a palindrome (24201122110242).

The spelling of 22201011100020 in words is "twenty-two trillion, two hundred one billion, eleven million, one hundred thousand, twenty".