121343020320122 has 64 divisors (see below), whose sum is σ = 188456181120000. Its totient is φ = 58571071882752.

The previous prime is 121343020320101. The next prime is 121343020320127. The reversal of 121343020320122 is 221023020343121.

It is a junction number, because it is equal to n+sod(n) for n = 121343020320091 and 121343020320100.

It is not an unprimeable number, because it can be changed into a prime (121343020320127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3955489448 + ... + 3955520124.

It is an arithmetic number, because the mean of its divisors is an integer number (2944627830000).

Almost surely, 2^{121343020320122} is an apocalyptic number.

121343020320122 is a deficient number, since it is larger than the sum of its proper divisors (67113160799878).

121343020320122 is a wasteful number, since it uses less digits than its factorization.

121343020320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33383.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121343020320122 its reverse (221023020343121), we get a palindrome (342366040663243).

The spelling of 121343020320122 in words is "one hundred twenty-one trillion, three hundred forty-three billion, twenty million, three hundred twenty thousand, one hundred twenty-two".