222022100121999 has 16 divisors (see below), whose sum is σ = 308915541676032. Its totient is φ = 141572330510688.

The previous prime is 222022100121977. The next prime is 222022100122003. The reversal of 222022100121999 is 999121001220222.

It is not a de Polignac number, because 222022100121999 - 2²⁴ = 222022083344783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222022100121999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022100121499) 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, 77904964 + ... + 80704569.

It is an arithmetic number, because the mean of its divisors is an integer number (19307221354752).

Almost surely, 2^{222022100121999} is an apocalyptic number.

222022100121999 is a deficient number, since it is larger than the sum of its proper divisors (86893441554033).

222022100121999 is a wasteful number, since it uses less digits than its factorization.

222022100121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158629846.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 222022100121999 in words is "two hundred twenty-two trillion, twenty-two billion, one hundred million, one hundred twenty-one thousand, nine hundred ninety-nine".