222001223101 has 4 divisors (see below), whose sum is σ = 253715683552. Its totient is φ = 190286762652.

The previous prime is 222001223089. The next prime is 222001223111. The reversal of 222001223101 is 101322100222.

It is a happy number.

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 222001223101 - 2⁵ = 222001223069 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 (222001223111) 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, 15857230215 + ... + 15857230228.

It is an arithmetic number, because the mean of its divisors is an integer number (63428920888).

Almost surely, 2^222001223101 is an apocalyptic number.

It is an amenable number.

222001223101 is a deficient number, since it is larger than the sum of its proper divisors (31714460451).

222001223101 is an equidigital number, since it uses as much as digits as its factorization.

222001223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31714460450.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222001223101 its reverse (101322100222), we get a palindrome (323323323323).

The spelling of 222001223101 in words is "two hundred twenty-two billion, one million, two hundred twenty-three thousand, one hundred one".