121300031101 has 4 divisors (see below), whose sum is σ = 121441572252. Its totient is φ = 121158489952.

The previous prime is 121300031093. The next prime is 121300031123. The reversal of 121300031101 is 101130003121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64704096900 + 56595934201 = 254370^2 + 237899^2 .

It is a cyclic number.

It is not a de Polignac number, because 121300031101 - 2³ = 121300031093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300031141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70769290 + ... + 70771003.

It is an arithmetic number, because the mean of its divisors is an integer number (30360393063).

Almost surely, 2^121300031101 is an apocalyptic number.

It is an amenable number.

121300031101 is a deficient number, since it is larger than the sum of its proper divisors (141541151).

121300031101 is an equidigital number, since it uses as much as digits as its factorization.

121300031101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141541150.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 121300031101 its reverse (101130003121), we get a palindrome (222430034222).

The spelling of 121300031101 in words is "one hundred twenty-one billion, three hundred million, thirty-one thousand, one hundred one".