22101001122020 has 24 divisors (see below), whose sum is σ = 46412203618368. Its totient is φ = 8840381160800.

The previous prime is 22101001121977. The next prime is 22101001122047. The reversal of 22101001122020 is 2022110010122.

It is a junction number, because it is equal to n+sod(n) for n = 22101001121986 and 22101001122004.

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, 11410835 + ... + 13206405.

It is an arithmetic number, because the mean of its divisors is an integer number (1933841817432).

Almost surely, 2^{22101001122020} is an apocalyptic number.

22101001122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101001122020 is an abundant number, since it is smaller than the sum of its proper divisors (24311202496348).

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

22101001122020 is a wasteful number, since it uses less digits than its factorization.

22101001122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411011 (or 2411009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101001122020 its reverse (2022110010122), we get a palindrome (24123111132142).

The spelling of 22101001122020 in words is "twenty-two trillion, one hundred one billion, one million, one hundred twenty-two thousand, twenty".