22100020101020 has 96 divisors (see below), whose sum is σ = 47530082166336. Its totient is φ = 8628464332800.

The previous prime is 22100020100957. The next prime is 22100020101023. The reversal of 22100020101020 is 2010102000122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100020100992 and 22100020101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100020101023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254650235 + ... + 254737005.

It is an arithmetic number, because the mean of its divisors is an integer number (495105022566).

Almost surely, 2^{22100020101020} is an apocalyptic number.

22100020101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100020101020 is an abundant number, since it is smaller than the sum of its proper divisors (25430062065316).

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

22100020101020 is a wasteful number, since it uses less digits than its factorization.

22100020101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88071 (or 88069 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22100020101020 its reverse (2010102000122), we get a palindrome (24110122101142).

The spelling of 22100020101020 in words is "twenty-two trillion, one hundred billion, twenty million, one hundred one thousand, twenty".