121100122231320 has 32 divisors (see below), whose sum is σ = 363300366694320. Its totient is φ = 32293365928320.

The previous prime is 121100122231303. The next prime is 121100122231327. The reversal of 121100122231320 is 23132221001121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100122231327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504583842511 + ... + 504583842750.

Almost surely, 2^{121100122231320} is an apocalyptic number.

121100122231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100122231320 is an abundant number, since it is smaller than the sum of its proper divisors (242200244463000).

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

121100122231320 is a wasteful number, since it uses less digits than its factorization.

121100122231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009167685275 (or 1009167685271 counting only the distinct ones).

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

Adding to 121100122231320 its reverse (23132221001121), we get a palindrome (144232343232441).

The spelling of 121100122231320 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty".