222200011122001 has 6 divisors (see below), whose sum is σ = 244236375861506. Its totient is φ = 202000010110800.

The previous prime is 222200011121989. The next prime is 222200011122071. The reversal of 222200011122001 is 100221110002222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 214979375730625 + 7220635391376 = 14662175^2 + 2687124^2 .

It is not a de Polignac number, because 222200011122001 - 2⁹ = 222200011121489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222200011122071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918181864020 + ... + 918181864261.

Almost surely, 2^{222200011122001} is an apocalyptic number.

It is an amenable number.

222200011122001 is a deficient number, since it is larger than the sum of its proper divisors (22036364739505).

222200011122001 is a wasteful number, since it uses less digits than its factorization.

222200011122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836363728303 (or 1836363728292 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222200011122001 its reverse (100221110002222), we get a palindrome (322421121124223).

The spelling of 222200011122001 in words is "two hundred twenty-two trillion, two hundred billion, eleven million, one hundred twenty-two thousand, one".