222123010201 has 4 divisors (see below), whose sum is σ = 222694020900. Its totient is φ = 221551999504.

The previous prime is 222123010177. The next prime is 222123010247. The reversal of 222123010201 is 102010321222.

It is a happy number.

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 123077478976 + 99045531225 = 350824^2 + 314715^2 .

It is a cyclic number.

It is not a de Polignac number, because 222123010201 - 2¹⁷ = 222122879129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222123010261) 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, 285504766 + ... + 285505543.

It is an arithmetic number, because the mean of its divisors is an integer number (55673505225).

Almost surely, 2^222123010201 is an apocalyptic number.

It is an amenable number.

222123010201 is a deficient number, since it is larger than the sum of its proper divisors (571010699).

222123010201 is an equidigital number, since it uses as much as digits as its factorization.

222123010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571010698.

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

Adding to 222123010201 its reverse (102010321222), we get a palindrome (324133331423).

The spelling of 222123010201 in words is "two hundred twenty-two billion, one hundred twenty-three million, ten thousand, two hundred one".