222132112112121 has 4 divisors (see below), whose sum is σ = 296176149482832. Its totient is φ = 148088074741412.

The previous prime is 222132112112077. The next prime is 222132112112161. The reversal of 222132112112121 is 121211211231222.

It is a happy number.

222132112112121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222132112112121 - 2¹⁷ = 222132111981049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222132112112091 and 222132112112100.

It is not an unprimeable number, because it can be changed into a prime (222132112112161) 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, 37022018685351 + ... + 37022018685356.

It is an arithmetic number, because the mean of its divisors is an integer number (74044037370708).

Almost surely, 2^{222132112112121} is an apocalyptic number.

It is an amenable number.

222132112112121 is a deficient number, since it is larger than the sum of its proper divisors (74044037370711).

222132112112121 is an equidigital number, since it uses as much as digits as its factorization.

222132112112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74044037370710.

The product of its digits is 384, while the sum is 24.

Adding to 222132112112121 its reverse (121211211231222), we get a palindrome (343343323343343).

The spelling of 222132112112121 in words is "two hundred twenty-two trillion, one hundred thirty-two billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-one".