22201212444001 has 4 divisors (see below), whose sum is σ = 22577504180400. Its totient is φ = 21824920707604.

The previous prime is 22201212443959. The next prime is 22201212444017. The reversal of 22201212444001 is 10044421210222.

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 22201212444001 - 2³⁵ = 22166852705633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201212444031) 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, 188145868111 + ... + 188145868228.

It is an arithmetic number, because the mean of its divisors is an integer number (5644376045100).

Almost surely, 2^{22201212444001} is an apocalyptic number.

It is an amenable number.

22201212444001 is a deficient number, since it is larger than the sum of its proper divisors (376291736399).

22201212444001 is an equidigital number, since it uses as much as digits as its factorization.

22201212444001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376291736398.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 22201212444001 its reverse (10044421210222), we get a palindrome (32245633654223).

The spelling of 22201212444001 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, four hundred forty-four thousand, one".