121331011210199 has 16 divisors (see below), whose sum is σ = 144214802519040. Its totient is φ = 99914214324960.

The previous prime is 121331011210099. The next prime is 121331011210229. The reversal of 121331011210199 is 991012110133121.

It is not a de Polignac number, because 121331011210199 - 2³⁶ = 121262291733463 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 (121331011210099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3304023119 + ... + 3304059840.

It is an arithmetic number, because the mean of its divisors is an integer number (9013425157440).

Almost surely, 2^{121331011210199} is an apocalyptic number.

121331011210199 is a deficient number, since it is larger than the sum of its proper divisors (22883791308841).

121331011210199 is an equidigital number, since it uses as much as digits as its factorization.

121331011210199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608083070.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 121331011210199 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, eleven million, two hundred ten thousand, one hundred ninety-nine".