121021021001301 has 4 divisors (see below), whose sum is σ = 161361361335072. Its totient is φ = 80680680667532.

The previous prime is 121021021001297. The next prime is 121021021001303. The reversal of 121021021001301 is 103100120120121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121021021001301 - 2² = 121021021001297 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021021001303) 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, 20170170166881 + ... + 20170170166886.

It is an arithmetic number, because the mean of its divisors is an integer number (40340340333768).

Almost surely, 2^{121021021001301} is an apocalyptic number.

It is an amenable number.

121021021001301 is a deficient number, since it is larger than the sum of its proper divisors (40340340333771).

121021021001301 is an equidigital number, since it uses as much as digits as its factorization.

121021021001301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40340340333770.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121021021001301 its reverse (103100120120121), we get a palindrome (224121141121422).

The spelling of 121021021001301 in words is "one hundred twenty-one trillion, twenty-one billion, twenty-one million, one thousand, three hundred one".