222002122211001 has 96 divisors (see below), whose sum is σ = 386769680324352. Its totient is φ = 121043083898880.

The previous prime is 222002122210993. The next prime is 222002122211081. The reversal of 222002122211001 is 100112221200222.

It is a happy number.

222002122211001 is a `hidden beast` number, since 2 + 220 + 0 + 212 + 221 + 10 + 0 + 1 = 666.

It is not a de Polignac number, because 222002122211001 - 2³ = 222002122210993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222002122211081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54270621 + ... + 58217733.

It is an arithmetic number, because the mean of its divisors is an integer number (4028850836712).

Almost surely, 2^{222002122211001} is an apocalyptic number.

It is an amenable number.

222002122211001 is a deficient number, since it is larger than the sum of its proper divisors (164767558113351).

222002122211001 is a wasteful number, since it uses less digits than its factorization.

222002122211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948623 (or 3948620 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222002122211001 its reverse (100112221200222), we get a palindrome (322114343411223).

The spelling of 222002122211001 in words is "two hundred twenty-two trillion, two billion, one hundred twenty-two million, two hundred eleven thousand, one".