22101011012020 has 96 divisors (see below), whose sum is σ = 46800414460800. Its totient is φ = 8766733662720.

The previous prime is 22101011011979. The next prime is 22101011012021. The reversal of 22101011012020 is 2021011010122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101011012021) 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, 2870630131 + ... + 2870637829.

It is an arithmetic number, because the mean of its divisors is an integer number (487504317300).

Almost surely, 2^{22101011012020} is an apocalyptic number.

22101011012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101011012020 is an abundant number, since it is smaller than the sum of its proper divisors (24699403448780).

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

22101011012020 is a wasteful number, since it uses less digits than its factorization.

22101011012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905 (or 9903 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22101011012020 its reverse (2021011010122), we get a palindrome (24122022022142).

The spelling of 22101011012020 in words is "twenty-two trillion, one hundred one billion, eleven million, twelve thousand, twenty".