100421110 has 16 divisors (see below), whose sum is σ = 180910656. Its totient is φ = 40134528.

The previous prime is 100421077. The next prime is 100421143. The reversal of 100421110 is 11124001.

It is an interprime number because it is at equal distance from previous prime (100421077) and next prime (100421143).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10702 + ... + 17758.

It is an arithmetic number, because the mean of its divisors is an integer number (11306916).

Almost surely, 2^100421110 is an apocalyptic number.

100421110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100421110 is a deficient number, since it is larger than the sum of its proper divisors (80489546).

100421110 is a wasteful number, since it uses less digits than its factorization.

100421110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 100421110 is about 10021.0333798466. The cubic root of 100421110 is about 464.8095107530.

Adding to 100421110 its reverse (11124001), we get a palindrome (111545111).

The spelling of 100421110 in words is "one hundred million, four hundred twenty-one thousand, one hundred ten".