100022001100 has 36 divisors (see below), whose sum is σ = 248054564464. Its totient is φ = 34293257280.

The previous prime is 100022001089. The next prime is 100022001103. The reversal of 100022001100 is 1100220001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (100022001103) 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, 71443587 + ... + 71444986.

Almost surely, 2^100022001100 is an apocalyptic number.

100022001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100022001100 is an abundant number, since it is smaller than the sum of its proper divisors (148032563364).

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

100022001100 is a wasteful number, since it uses less digits than its factorization.

100022001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142888594 (or 142888587 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100022001100 its reverse (1100220001), we get a palindrome (101122221101).

It can be divided in two parts, 10002 and 2001100, that added together give a palindrome (2011102).

The spelling of 100022001100 in words is "one hundred billion, twenty-two million, one thousand, one hundred".