222100121201 has 16 divisors (see below), whose sum is σ = 265181264640. Its totient is φ = 181987108800.

The previous prime is 222100121183. The next prime is 222100121203. The reversal of 222100121201 is 102121001222.

It is not a de Polignac number, because 222100121201 - 2¹⁸ = 222099859057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222100121203) 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, 5395781 + ... + 5436786.

It is an arithmetic number, because the mean of its divisors is an integer number (16573829040).

Almost surely, 2^222100121201 is an apocalyptic number.

It is an amenable number.

222100121201 is a deficient number, since it is larger than the sum of its proper divisors (43081143439).

222100121201 is a wasteful number, since it uses less digits than its factorization.

222100121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832704.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222100121201 its reverse (102121001222), we get a palindrome (324221122423).

The spelling of 222100121201 in words is "two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred one".