222031001121 has 16 divisors (see below), whose sum is σ = 299581465344. Its totient is φ = 146255583744.

The previous prime is 222031001119. The next prime is 222031001177. The reversal of 222031001121 is 121100130222.

It is not a de Polignac number, because 222031001121 - 2¹ = 222031001119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222031001121.

It is not an unprimeable number, because it can be changed into a prime (222031001321) 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, 443961 + ... + 800726.

It is an arithmetic number, because the mean of its divisors is an integer number (18723841584).

Almost surely, 2^222031001121 is an apocalyptic number.

It is an amenable number.

222031001121 is a deficient number, since it is larger than the sum of its proper divisors (77550464223).

222031001121 is a wasteful number, since it uses less digits than its factorization.

222031001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245400.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 222031001121 its reverse (121100130222), we get a palindrome (343131131343).

The spelling of 222031001121 in words is "two hundred twenty-two billion, thirty-one million, one thousand, one hundred twenty-one".