121003302131101 has 4 divisors (see below), whose sum is σ = 130311248448892. Its totient is φ = 111695355813312.

The previous prime is 121003302131077. The next prime is 121003302131119. The reversal of 121003302131101 is 101131203300121.

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 26452454808025 + 94550847323076 = 5143195^2 + 9723726^2 .

It is a cyclic number.

It is not a de Polignac number, because 121003302131101 - 2⁷ = 121003302130973 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 (121003302135101) 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, 4653973158876 + ... + 4653973158901.

It is an arithmetic number, because the mean of its divisors is an integer number (32577812112223).

Almost surely, 2^{121003302131101} is an apocalyptic number.

It is an amenable number.

121003302131101 is a deficient number, since it is larger than the sum of its proper divisors (9307946317791).

121003302131101 is an equidigital number, since it uses as much as digits as its factorization.

121003302131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9307946317790.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121003302131101 its reverse (101131203300121), we get a palindrome (222134505431222).

The spelling of 121003302131101 in words is "one hundred twenty-one trillion, three billion, three hundred two million, one hundred thirty-one thousand, one hundred one".