22101001012201 has 4 divisors (see below), whose sum is σ = 23061914099712. Its totient is φ = 21140087924692.

The previous prime is 22101001012199. The next prime is 22101001012219. The reversal of 22101001012201 is 10221010010122.

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 22101001012201 - 2¹ = 22101001012199 is a prime.

It is a super-3 number, since 3×22101001012201³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101001012901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480456543721 + ... + 480456543766.

It is an arithmetic number, because the mean of its divisors is an integer number (5765478524928).

Almost surely, 2^{22101001012201} is an apocalyptic number.

It is an amenable number.

22101001012201 is a deficient number, since it is larger than the sum of its proper divisors (960913087511).

22101001012201 is an equidigital number, since it uses as much as digits as its factorization.

22101001012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960913087510.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22101001012201 its reverse (10221010010122), we get a palindrome (32322011022323).

The spelling of 22101001012201 in words is "twenty-two trillion, one hundred one billion, one million, twelve thousand, two hundred one".