121120224402320 has 160 divisors (see below), whose sum is σ = 333216201548160. Its totient is φ = 40363251793920.

The previous prime is 121120224402301. The next prime is 121120224402337. The reversal of 121120224402320 is 23204422021121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 121120224402320.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36494129 + ... + 39674448.

It is an arithmetic number, because the mean of its divisors is an integer number (2082601259676).

Almost surely, 2^{121120224402320} is an apocalyptic number.

121120224402320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120224402320 is an abundant number, since it is smaller than the sum of its proper divisors (212095977145840).

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

121120224402320 is a wasteful number, since it uses less digits than its factorization.

121120224402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76168753 (or 76168747 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 121120224402320 its reverse (23204422021121), we get a palindrome (144324646423441).

The spelling of 121120224402320 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-four million, four hundred two thousand, three hundred twenty".