222210101121 has 4 divisors (see below), whose sum is σ = 296280134832. Its totient is φ = 148140067412.

The previous prime is 222210100999. The next prime is 222210101131. The reversal of 222210101121 is 121101012222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222210101121 - 2³⁴ = 205030231937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222210101121.

It is not an unprimeable number, because it can be changed into a prime (222210101131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37035016851 + ... + 37035016856.

It is an arithmetic number, because the mean of its divisors is an integer number (74070033708).

Almost surely, 2^222210101121 is an apocalyptic number.

It is an amenable number.

222210101121 is a deficient number, since it is larger than the sum of its proper divisors (74070033711).

222210101121 is an equidigital number, since it uses as much as digits as its factorization.

222210101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74070033710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222210101121 its reverse (121101012222), we get a palindrome (343311113343).

The spelling of 222210101121 in words is "two hundred twenty-two billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".