100021010120011 has 4 divisors (see below), whose sum is σ = 100035760312624. Its totient is φ = 100006259927400.

The previous prime is 100021010119967. The next prime is 100021010120029. The reversal of 100021010120011 is 110021010120001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021010120011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100021010120011.

It is not an unprimeable number, because it can be changed into a prime (100021010120071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7375086135 + ... + 7375099696.

It is an arithmetic number, because the mean of its divisors is an integer number (25008940078156).

Almost surely, 2^{100021010120011} is an apocalyptic number.

100021010120011 is a deficient number, since it is larger than the sum of its proper divisors (14750192613).

100021010120011 is an equidigital number, since it uses as much as digits as its factorization.

100021010120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14750192612.

The product of its (nonzero) digits is 4, while the sum is 10.

Subtracting from 100021010120011 its sum of digits (10), we obtain a palindrome (100021010120001).

Adding to 100021010120011 its reverse (110021010120001), we get a palindrome (210042020240012).

The spelling of 100021010120011 in words is "one hundred trillion, twenty-one billion, ten million, one hundred twenty thousand, eleven".