22020111122100 has 576 divisors, whose sum is σ = 80913946176000. Its totient is φ = 4593774366720.

The previous prime is 22020111122083. The next prime is 22020111122167. The reversal of 22020111122100 is 122111102022.

It is a super-2 number, since 2×22020111122100² (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 a self number, because there is not a number n which added to its sum of digits gives 22020111122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 118962822 + ... + 119147778.

It is an arithmetic number, because the mean of its divisors is an integer number (140475601000).

Almost surely, 2^{22020111122100} is an apocalyptic number.

22020111122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020111122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40456973088000).

22020111122100 is an abundant number, since it is smaller than the sum of its proper divisors (58893835053900).

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

22020111122100 is a wasteful number, since it uses less digits than its factorization.

22020111122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185097 (or 185076 counting only the distinct ones).

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

Adding to 22020111122100 its reverse (122111102022), we get a palindrome (22142222224122).

The spelling of 22020111122100 in words is "twenty-two trillion, twenty billion, one hundred eleven million, one hundred twenty-two thousand, one hundred".