22122101110020 has 96 divisors (see below), whose sum is σ = 61967902469760. Its totient is φ = 5896749619200.

The previous prime is 22122101110013. The next prime is 22122101110073. The reversal of 22122101110020 is 2001110122122.

It is a super-2 number, since 2×22122101110020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2840168286 + ... + 2840176074.

It is an arithmetic number, because the mean of its divisors is an integer number (645498984060).

Almost surely, 2^{22122101110020} is an apocalyptic number.

22122101110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122101110020 is an abundant number, since it is smaller than the sum of its proper divisors (39845801359740).

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

22122101110020 is a wasteful number, since it uses less digits than its factorization.

22122101110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21605 (or 21603 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22122101110020 its reverse (2001110122122), we get a palindrome (24123211232142).

The spelling of 22122101110020 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred one million, one hundred ten thousand, twenty".