22022120100 has 72 divisors (see below), whose sum is σ = 64919594880. Its totient is φ = 5761758080.

The previous prime is 22022120083. The next prime is 22022120119. The reversal of 22022120100 is 102122022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676620 + ... + 708419.

It is an arithmetic number, because the mean of its divisors is an integer number (901661040).

Almost surely, 2^22022120100 is an apocalyptic number.

22022120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022120100 is an abundant number, since it is smaller than the sum of its proper divisors (42897474780).

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

22022120100 is a wasteful number, since it uses less digits than its factorization.

22022120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385109 (or 1385102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22022120100 its reverse (102122022), we get a palindrome (22124242122).

The spelling of 22022120100 in words is "twenty-two billion, twenty-two million, one hundred twenty thousand, one hundred".