122121120111222 has 8 divisors (see below), whose sum is σ = 244242240222456. Its totient is φ = 40707040037072.

The previous prime is 122121120111167. The next prime is 122121120111293. The reversal of 122121120111222 is 222111021121221.

It is a sphenic number, since it is the product of 3 distinct primes.

122121120111222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10176760009263 + ... + 10176760009274.

It is an arithmetic number, because the mean of its divisors is an integer number (30530280027807).

Almost surely, 2^{122121120111222} is an apocalyptic number.

122121120111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122121120111222 is a wasteful number, since it uses less digits than its factorization.

122121120111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20353520018542.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122121120111222 its reverse (222111021121221), we get a palindrome (344232141232443).

The spelling of 122121120111222 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred eleven thousand, two hundred twenty-two".