222020001121 has 16 divisors (see below), whose sum is σ = 232370749440. Its totient is φ = 211727854800.

The previous prime is 222020001109. The next prime is 222020001131. The reversal of 222020001121 is 121100020222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222020001121 - 2³³ = 213430066529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222020001131) 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, 40967950 + ... + 40973368.

It is an arithmetic number, because the mean of its divisors is an integer number (14523171840).

Almost surely, 2^222020001121 is an apocalyptic number.

It is an amenable number.

222020001121 is a deficient number, since it is larger than the sum of its proper divisors (10350748319).

222020001121 is a wasteful number, since it uses less digits than its factorization.

222020001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222020001121 its reverse (121100020222), we get a palindrome (343120021343).

The spelling of 222020001121 in words is "two hundred twenty-two billion, twenty million, one thousand, one hundred twenty-one".