122121022011222 has 16 divisors (see below), whose sum is σ = 263029893562800. Its totient is φ = 37575699080352.

The previous prime is 122121022011193. The next prime is 122121022011269. The reversal of 122121022011222 is 222110220121221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782827064097 + ... + 782827064252.

It is an arithmetic number, because the mean of its divisors is an integer number (16439368347675).

Almost surely, 2^{122121022011222} is an apocalyptic number.

122121022011222 is an abundant number, since it is smaller than the sum of its proper divisors (140908871551578).

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

122121022011222 is a wasteful number, since it uses less digits than its factorization.

122121022011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565654128367.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122121022011222 its reverse (222110220121221), we get a palindrome (344231242132443).

The spelling of 122121022011222 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, two hundred twenty-two".