122121021321030 has 32 divisors (see below), whose sum is σ = 293091040792800. Its totient is φ = 32565540172032.

The previous prime is 122121021320929. The next prime is 122121021321071. The reversal of 122121021321030 is 30123120121221.

It is a junction number, because it is equal to n+sod(n) for n = 122121021320988 and 122121021321006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12118866 + ... + 19776474.

It is an arithmetic number, because the mean of its divisors is an integer number (9159095024775).

Almost surely, 2^{122121021321030} is an apocalyptic number.

122121021321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121021321030 is an abundant number, since it is smaller than the sum of its proper divisors (170970019471770).

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

122121021321030 is a wasteful number, since it uses less digits than its factorization.

122121021321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189208.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 122121021321030 its reverse (30123120121221), we get a palindrome (152244141442251).

The spelling of 122121021321030 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty-one million, three hundred twenty-one thousand, thirty".