22211101202001 has 4 divisors (see below), whose sum is σ = 29614801602672. Its totient is φ = 14807400801332.

The previous prime is 22211101201997. The next prime is 22211101202039. The reversal of 22211101202001 is 10020210111222.

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 22211101202001 - 2² = 22211101201997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22211101202201) 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, 3701850200331 + ... + 3701850200336.

It is an arithmetic number, because the mean of its divisors is an integer number (7403700400668).

Almost surely, 2^{22211101202001} is an apocalyptic number.

It is an amenable number.

22211101202001 is a deficient number, since it is larger than the sum of its proper divisors (7403700400671).

22211101202001 is an equidigital number, since it uses as much as digits as its factorization.

22211101202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403700400670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22211101202001 its reverse (10020210111222), we get a palindrome (32231311313223).

The spelling of 22211101202001 in words is "twenty-two trillion, two hundred eleven billion, one hundred one million, two hundred two thousand, one".