100111020221 has 8 divisors (see below), whose sum is σ = 100579131840. Its totient is φ = 99643571712.

The previous prime is 100111020211. The next prime is 100111020253. The reversal of 100111020221 is 122020111001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100111020221 - 2³⁰ = 99037278397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111020211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138170 + ... + 468308.

It is an arithmetic number, because the mean of its divisors is an integer number (12572391480).

Almost surely, 2^100111020221 is an apocalyptic number.

It is an amenable number.

100111020221 is a deficient number, since it is larger than the sum of its proper divisors (468111619).

100111020221 is a wasteful number, since it uses less digits than its factorization.

100111020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331555.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100111020221 its reverse (122020111001), we get a palindrome (222131131222).

The spelling of 100111020221 in words is "one hundred billion, one hundred eleven million, twenty thousand, two hundred twenty-one".