100111120022021 has 4 divisors (see below), whose sum is σ = 100710587806752. Its totient is φ = 99511652237292.

The previous prime is 100111120021903. The next prime is 100111120022093. The reversal of 100111120022021 is 120220021111001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100111120022021 - 2¹⁸ = 100111119759877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100111120021987 and 100111120022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111120822021) 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, 299733892115 + ... + 299733892448.

It is an arithmetic number, because the mean of its divisors is an integer number (25177646951688).

Almost surely, 2^{100111120022021} is an apocalyptic number.

It is an amenable number.

100111120022021 is a deficient number, since it is larger than the sum of its proper divisors (599467784731).

100111120022021 is an equidigital number, since it uses as much as digits as its factorization.

100111120022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599467784730.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100111120022021 its reverse (120220021111001), we get a palindrome (220331141133022).

The spelling of 100111120022021 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty million, twenty-two thousand, twenty-one".