122221112210222 has 4 divisors (see below), whose sum is σ = 183331668315336. Its totient is φ = 61110556105110.

The previous prime is 122221112210209. The next prime is 122221112210273. The reversal of 122221112210222 is 222012211122221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555278052554 + ... + 30555278052557.

It is an arithmetic number, because the mean of its divisors is an integer number (45832917078834).

Almost surely, 2^{122221112210222} is an apocalyptic number.

122221112210222 is a deficient number, since it is larger than the sum of its proper divisors (61110556105114).

122221112210222 is an equidigital number, since it uses as much as digits as its factorization.

122221112210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61110556105113.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122221112210222 its reverse (222012211122221), we get a palindrome (344233323332443).

The spelling of 122221112210222 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-two".