121310103012299 has 4 divisors (see below), whose sum is σ = 125223332141760. Its totient is φ = 117396873882840.

The previous prime is 121310103012227. The next prime is 121310103012419. The reversal of 121310103012299 is 992210301013121.

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

It is a cyclic number.

It is not a de Polignac number, because 121310103012299 - 2¹⁶ = 121310102946763 is a prime.

It is a super-2 number, since 2×121310103012299² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121310103014299) 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, 1956614564684 + ... + 1956614564745.

It is an arithmetic number, because the mean of its divisors is an integer number (31305833035440).

Almost surely, 2^{121310103012299} is an apocalyptic number.

121310103012299 is a deficient number, since it is larger than the sum of its proper divisors (3913229129461).

121310103012299 is an equidigital number, since it uses as much as digits as its factorization.

121310103012299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913229129460.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 121310103012299 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, twelve thousand, two hundred ninety-nine".