222022100122001 has 16 divisors (see below), whose sum is σ = 228017969898048. Its totient is φ = 216094314696000.

The previous prime is 222022100121977. The next prime is 222022100122003. The reversal of 222022100122001 is 100221001220222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222022100122001 - 2³⁰ = 222021026380177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022100122003) 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, 14186315 + ... + 25402671.

It is an arithmetic number, because the mean of its divisors is an integer number (14251123118628).

Almost surely, 2^{222022100122001} is an apocalyptic number.

It is an amenable number.

222022100122001 is a deficient number, since it is larger than the sum of its proper divisors (5995869776047).

222022100122001 is a wasteful number, since it uses less digits than its factorization.

222022100122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11219392.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222022100122001 its reverse (100221001220222), we get a palindrome (322243101342223).

The spelling of 222022100122001 in words is "two hundred twenty-two trillion, twenty-two billion, one hundred million, one hundred twenty-two thousand, one".