100021013430 has 64 divisors (see below), whose sum is σ = 260402966208. Its totient is φ = 24440832000.

The previous prime is 100021013419. The next prime is 100021013441. The reversal of 100021013430 is 34310120001.

100021013430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (100021013419) and next prime (100021013441).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882571 + ... + 989430.

It is an arithmetic number, because the mean of its divisors is an integer number (4068796347).

Almost surely, 2^100021013430 is an apocalyptic number.

100021013430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021013430 is an abundant number, since it is smaller than the sum of its proper divisors (160381952778).

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

100021013430 is a wasteful number, since it uses less digits than its factorization.

100021013430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872161.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100021013430 its reverse (34310120001), we get a palindrome (134331133431).

The spelling of 100021013430 in words is "one hundred billion, twenty-one million, thirteen thousand, four hundred thirty".