100900112 has 20 divisors (see below), whose sum is σ = 197851920. Its totient is φ = 49841568.

The previous prime is 100900109. The next prime is 100900123. The reversal of 100900112 is 211009001.

It is a super-2 number, since 2×100900112² = 20361665203225088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36662 + ... + 39317.

It is an arithmetic number, because the mean of its divisors is an integer number (9892596).

Almost surely, 2^100900112 is an apocalyptic number.

It is an amenable number.

100900112 is a deficient number, since it is larger than the sum of its proper divisors (96951808).

100900112 is an equidigital number, since it uses as much as digits as its factorization.

100900112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76070 (or 76064 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 100900112 is about 10044.9047780454. The cubic root of 100900112 is about 465.5473755980.

Adding to 100900112 its reverse (211009001), we get a palindrome (311909113).

The spelling of 100900112 in words is "one hundred million, nine hundred thousand, one hundred twelve".