222012002001 has 4 divisors (see below), whose sum is σ = 296016002672. Its totient is φ = 148008001332.

The previous prime is 222012001921. The next prime is 222012002059. The reversal of 222012002001 is 100200210222.

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 not a de Polignac number, because 222012002001 - 2³³ = 213422067409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012002501) 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, 37002000331 + ... + 37002000336.

It is an arithmetic number, because the mean of its divisors is an integer number (74004000668).

Almost surely, 2^222012002001 is an apocalyptic number.

It is an amenable number.

222012002001 is a deficient number, since it is larger than the sum of its proper divisors (74004000671).

222012002001 is an equidigital number, since it uses as much as digits as its factorization.

222012002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74004000670.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222012002001 its reverse (100200210222), we get a palindrome (322212212223).

It can be divided in two parts, 22201 and 2002001, that added together give a palindrome (2024202).

The spelling of 222012002001 in words is "two hundred twenty-two billion, twelve million, two thousand, one".