100022112220 has 48 divisors (see below), whose sum is σ = 222983083008. Its totient is φ = 37557017600.

The previous prime is 100022112217. The next prime is 100022112227. The reversal of 100022112220 is 22211220001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100022112220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022112227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253831 + ... + 514270.

It is an arithmetic number, because the mean of its divisors is an integer number (4645480896).

Almost surely, 2^100022112220 is an apocalyptic number.

100022112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100022112220 is an abundant number, since it is smaller than the sum of its proper divisors (122960970788).

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

100022112220 is a wasteful number, since it uses less digits than its factorization.

100022112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768510 (or 768508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100022112220 its reverse (22211220001), we get a palindrome (122233332221).

The spelling of 100022112220 in words is "one hundred billion, twenty-two million, one hundred twelve thousand, two hundred twenty".