100021010120016 has 20 divisors (see below), whose sum is σ = 258387609476832. Its totient is φ = 33340336706656.

The previous prime is 100021010119967. The next prime is 100021010120029. The reversal of 100021010120016 is 610021010120001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100021010119977 and 100021010120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041885522036 + ... + 1041885522131.

Almost surely, 2^{100021010120016} is an apocalyptic number.

100021010120016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100021010120016 is an abundant number, since it is smaller than the sum of its proper divisors (158366599356816).

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

100021010120016 is a wasteful number, since it uses less digits than its factorization.

100021010120016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083771044178 (or 2083771044172 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Subtracting from 100021010120016 its sum of digits (15), we obtain a palindrome (100021010120001).

Adding to 100021010120016 its reverse (610021010120001), we get a palindrome (710042020240017).

The spelling of 100021010120016 in words is "one hundred trillion, twenty-one billion, ten million, one hundred twenty thousand, sixteen".