222100012001 has 16 divisors (see below), whose sum is σ = 256494564480. Its totient is φ = 188376554880.

The previous prime is 222100011989. The next prime is 222100012031. The reversal of 222100012001 is 100210001222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222100012001 - 2²⁶ = 222032903137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222100012031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389390 + ... + 771896.

It is an arithmetic number, because the mean of its divisors is an integer number (16030910280).

Almost surely, 2^222100012001 is an apocalyptic number.

It is an amenable number.

222100012001 is a deficient number, since it is larger than the sum of its proper divisors (34394552479).

222100012001 is a wasteful number, since it uses less digits than its factorization.

222100012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383384.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222100012001 its reverse (100210001222), we get a palindrome (322310013223).

The spelling of 222100012001 in words is "two hundred twenty-two billion, one hundred million, twelve thousand, one".