22100112122022 has 64 divisors (see below), whose sum is σ = 53577938304000. Its totient is φ = 6696765059040.

The previous prime is 22100112122017. The next prime is 22100112122029. The reversal of 22100112122022 is 22022121100122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22100112121986 and 22100112122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100112122029) 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, 16391604 + ... + 17688552.

It is an arithmetic number, because the mean of its divisors is an integer number (837155286000).

Almost surely, 2^{22100112122022} is an apocalyptic number.

22100112122022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100112122022 is an abundant number, since it is smaller than the sum of its proper divisors (31477826181978).

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

22100112122022 is a wasteful number, since it uses less digits than its factorization.

22100112122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325658 (or 1325652 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22100112122022 its reverse (22022121100122), we get a palindrome (44122233222144).

The spelling of 22100112122022 in words is "twenty-two trillion, one hundred billion, one hundred twelve million, one hundred twenty-two thousand, twenty-two".