222221200111001 has 32 divisors (see below), whose sum is σ = 275015154720768. Its totient is φ = 174853509857280.

The previous prime is 222221200110947. The next prime is 222221200111013. The reversal of 222221200111001 is 100111002122222.

It is a cyclic number.

It is not a de Polignac number, because 222221200111001 - 2²⁶ = 222221133002137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221200111601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6585896 + ... + 22086566.

It is an arithmetic number, because the mean of its divisors is an integer number (8594223585024).

Almost surely, 2^{222221200111001} is an apocalyptic number.

It is an amenable number.

222221200111001 is a deficient number, since it is larger than the sum of its proper divisors (52793954609767).

222221200111001 is a wasteful number, since it uses less digits than its factorization.

222221200111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15501561.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222221200111001 its reverse (100111002122222), we get a palindrome (322332202233223).

The spelling of 222221200111001 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, one hundred eleven thousand, one".