22041304121 has 4 divisors (see below), whose sum is σ = 22045392000. Its totient is φ = 22037216244.

The previous prime is 22041304111. The next prime is 22041304169. The reversal of 22041304121 is 12140314022.

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 22041304121 - 2⁶ = 22041304057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22041304093 and 22041304102.

It is not an unprimeable number, because it can be changed into a prime (22041304111) 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, 2035841 + ... + 2046638.

It is an arithmetic number, because the mean of its divisors is an integer number (5511348000).

Almost surely, 2^22041304121 is an apocalyptic number.

It is an amenable number.

22041304121 is a deficient number, since it is larger than the sum of its proper divisors (4087879).

22041304121 is an equidigital number, since it uses as much as digits as its factorization.

22041304121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087878.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22041304121 its reverse (12140314022), we get a palindrome (34181618143).

Subtracting from 22041304121 its reverse (12140314022), we obtain a palindrome (9900990099).

The spelling of 22041304121 in words is "twenty-two billion, forty-one million, three hundred four thousand, one hundred twenty-one".