222002200111001 has 4 divisors (see below), whose sum is σ = 222157121396532. Its totient is φ = 221847278825472.

The previous prime is 222002200110973. The next prime is 222002200111007. The reversal of 222002200111001 is 100111002200222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143577909760000 + 78424290351001 = 11982400^2 + 8855749^2 .

It is a cyclic number.

It is not a de Polignac number, because 222002200111001 - 2²⁶ = 222002133002137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222002200111007) 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, 77460640616 + ... + 77460643481.

It is an arithmetic number, because the mean of its divisors is an integer number (55539280349133).

Almost surely, 2^{222002200111001} is an apocalyptic number.

It is an amenable number.

222002200111001 is a deficient number, since it is larger than the sum of its proper divisors (154921285531).

222002200111001 is a wasteful number, since it uses less digits than its factorization.

222002200111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154921285530.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222002200111001 its reverse (100111002200222), we get a palindrome (322113202311223).

The spelling of 222002200111001 in words is "two hundred twenty-two trillion, two billion, two hundred million, one hundred eleven thousand, one".