100112011221100 has 36 divisors (see below), whose sum is σ = 217497745735984. Its totient is φ = 39997858610880.

The previous prime is 100112011221011. The next prime is 100112011221107. The reversal of 100112011221100 is 1122110211001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100112011221107) 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, 586737744 + ... + 586908343.

Almost surely, 2^{100112011221100} is an apocalyptic number.

100112011221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112011221100 is an abundant number, since it is smaller than the sum of its proper divisors (117385734514884).

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

100112011221100 is a wasteful number, since it uses less digits than its factorization.

100112011221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173646954 (or 1173646947 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100112011221100 its reverse (1122110211001), we get a palindrome (101234121432101).

The spelling of 100112011221100 in words is "one hundred trillion, one hundred twelve billion, eleven million, two hundred twenty-one thousand, one hundred".