121013201131321 has 8 divisors (see below), whose sum is σ = 121713154566120. Its totient is φ = 120314791145472.

The previous prime is 121013201131301. The next prime is 121013201131463. The reversal of 121013201131321 is 123131102310121.

It can be written as a sum of positive squares in 4 ways, for example, as 11868273041296 + 109144928090025 = 3445036^2 + 10447245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121013201131321 - 2¹⁷ = 121013201000249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121013201131292 and 121013201131301.

It is not an unprimeable number, because it can be changed into a prime (121013201131301) 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, 385704976 + ... + 386018593.

It is an arithmetic number, because the mean of its divisors is an integer number (15214144320765).

Almost surely, 2^{121013201131321} is an apocalyptic number.

It is an amenable number.

121013201131321 is a deficient number, since it is larger than the sum of its proper divisors (699953434799).

121013201131321 is an equidigital number, since it uses as much as digits as its factorization.

121013201131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771724475.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121013201131321 its reverse (123131102310121), we get a palindrome (244144303441442).

The spelling of 121013201131321 in words is "one hundred twenty-one trillion, thirteen billion, two hundred one million, one hundred thirty-one thousand, three hundred twenty-one".