222201112220101 has 4 divisors (see below), whose sum is σ = 253944128251552. Its totient is φ = 190458096188652.

The previous prime is 222201112220027. The next prime is 222201112220159. The reversal of 222201112220101 is 101022211102222.

222201112220101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222201112220101 - 2¹⁵ = 222201112187333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201112220161) 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, 15871508015715 + ... + 15871508015728.

It is an arithmetic number, because the mean of its divisors is an integer number (63486032062888).

Almost surely, 2^{222201112220101} is an apocalyptic number.

It is an amenable number.

222201112220101 is a deficient number, since it is larger than the sum of its proper divisors (31743016031451).

222201112220101 is an equidigital number, since it uses as much as digits as its factorization.

222201112220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31743016031450.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222201112220101 its reverse (101022211102222), we get a palindrome (323223323322323).

The spelling of 222201112220101 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twelve million, two hundred twenty thousand, one hundred one".