100420121130 has 32 divisors (see below), whose sum is σ = 275438047104. Its totient is φ = 22953170496.

The previous prime is 100420121093. The next prime is 100420121149. The reversal of 100420121130 is 31121024001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239095317 + ... + 239095736.

It is an arithmetic number, because the mean of its divisors is an integer number (8607438972).

Almost surely, 2^100420121130 is an apocalyptic number.

100420121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100420121130 is an abundant number, since it is smaller than the sum of its proper divisors (175017925974).

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

100420121130 is a wasteful number, since it uses less digits than its factorization.

100420121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478191070.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100420121130 its reverse (31121024001), we get a palindrome (131541145131).

The spelling of 100420121130 in words is "one hundred billion, four hundred twenty million, one hundred twenty-one thousand, one hundred thirty".