22020011212100 has 36 divisors (see below), whose sum is σ = 52127371999248. Its totient is φ = 8007276804000.

The previous prime is 22020011212093. The next prime is 22020011212109. The reversal of 22020011212100 is 121211002022.

It is a super-2 number, since 2×22020011212100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22020011212109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10009094906 + ... + 10009097105.

Almost surely, 2^{22020011212100} is an apocalyptic number.

22020011212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020011212100 is an abundant number, since it is smaller than the sum of its proper divisors (30107360787148).

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

22020011212100 is a wasteful number, since it uses less digits than its factorization.

22020011212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20018192036 (or 20018192029 counting only the distinct ones).

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

Adding to 22020011212100 its reverse (121211002022), we get a palindrome (22141222214122).

The spelling of 22020011212100 in words is "twenty-two trillion, twenty billion, eleven million, two hundred twelve thousand, one hundred".