2222121101201 has 8 divisors (see below), whose sum is σ = 2353053965184. Its totient is φ = 2091212665920.

The previous prime is 2222121101191. The next prime is 2222121101203. The reversal of 2222121101201 is 1021011212222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2222121101201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222121101201.

It is not an unprimeable number, because it can be changed into a prime (2222121101203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5919725 + ... + 6283898.

It is an arithmetic number, because the mean of its divisors is an integer number (294131745648).

Almost surely, 2^{2222121101201} is an apocalyptic number.

It is an amenable number.

2222121101201 is a deficient number, since it is larger than the sum of its proper divisors (130932863983).

2222121101201 is a wasteful number, since it uses less digits than its factorization.

2222121101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214351.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2222121101201 its reverse (1021011212222), we get a palindrome (3243132313423).

The spelling of 2222121101201 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, two hundred one".