22101104021 has 4 divisors (see below), whose sum is σ = 22106758944. Its totient is φ = 22095449100.

The previous prime is 22101103951. The next prime is 22101104027. The reversal of 22101104021 is 12040110122.

It is a happy number.

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 22101104021 - 2¹⁰ = 22101102997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101103987 and 22101104005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101104027) 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, 2821595 + ... + 2829416.

It is an arithmetic number, because the mean of its divisors is an integer number (5526689736).

Almost surely, 2^22101104021 is an apocalyptic number.

It is an amenable number.

22101104021 is a deficient number, since it is larger than the sum of its proper divisors (5654923).

22101104021 is an equidigital number, since it uses as much as digits as its factorization.

22101104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654922.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101104021 its reverse (12040110122), we get a palindrome (34141214143).

The spelling of 22101104021 in words is "twenty-two billion, one hundred one million, one hundred four thousand, twenty-one".