22221004101 has 4 divisors (see below), whose sum is σ = 29628005472. Its totient is φ = 14814002732.

The previous prime is 22221004097. The next prime is 22221004129. The reversal of 22221004101 is 10140012222.

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 22221004101 - 2² = 22221004097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221004171) 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, 3703500681 + ... + 3703500686.

It is an arithmetic number, because the mean of its divisors is an integer number (7407001368).

Almost surely, 2^22221004101 is an apocalyptic number.

It is an amenable number.

22221004101 is a deficient number, since it is larger than the sum of its proper divisors (7407001371).

22221004101 is an equidigital number, since it uses as much as digits as its factorization.

22221004101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407001370.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22221004101 its reverse (10140012222), we get a palindrome (32361016323).

The spelling of 22221004101 in words is "twenty-two billion, two hundred twenty-one million, four thousand, one hundred one".