22401121001 has 4 divisors (see below), whose sum is σ = 25601281152. Its totient is φ = 19200960852.

The previous prime is 22401120971. The next prime is 22401121007. The reversal of 22401121001 is 10012110422.

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 a de Polignac number, because none of the positive numbers 2^k-22401121001 is a prime.

It is a super-3 number, since 3×22401121001³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22401121007) 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, 1600080065 + ... + 1600080078.

It is an arithmetic number, because the mean of its divisors is an integer number (6400320288).

Almost surely, 2^22401121001 is an apocalyptic number.

It is an amenable number.

22401121001 is a deficient number, since it is larger than the sum of its proper divisors (3200160151).

22401121001 is an equidigital number, since it uses as much as digits as its factorization.

22401121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200160150.

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

Adding to 22401121001 its reverse (10012110422), we get a palindrome (32413231423).

The spelling of 22401121001 in words is "twenty-two billion, four hundred one million, one hundred twenty-one thousand, one".