222202120111001 has 4 divisors (see below), whose sum is σ = 222208392966912. Its totient is φ = 222195847255092.

The previous prime is 222202120110947. The next prime is 222202120111009. The reversal of 222202120111001 is 100111021202222.

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-222202120111001 is a prime.

It is a super-2 number, since 2×222202120111001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222202120111009) 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, 3136374821 + ... + 3136445666.

It is an arithmetic number, because the mean of its divisors is an integer number (55552098241728).

Almost surely, 2^{222202120111001} is an apocalyptic number.

It is an amenable number.

222202120111001 is a deficient number, since it is larger than the sum of its proper divisors (6272855911).

222202120111001 is an equidigital number, since it uses as much as digits as its factorization.

222202120111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272855910.

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

Adding to 222202120111001 its reverse (100111021202222), we get a palindrome (322313141313223).

The spelling of 222202120111001 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred twenty million, one hundred eleven thousand, one".