1121020113199 has 4 divisors (see below), whose sum is σ = 1281165843664. Its totient is φ = 960874382736.

The previous prime is 1121020113179. The next prime is 1121020113233. The reversal of 1121020113199 is 9913110201211.

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 1121020113199 - 2²⁹ = 1120483242287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121020113199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121020113179) 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, 80072865222 + ... + 80072865235.

It is an arithmetic number, because the mean of its divisors is an integer number (320291460916).

Almost surely, 2^{1121020113199} is an apocalyptic number.

1121020113199 is a deficient number, since it is larger than the sum of its proper divisors (160145730465).

1121020113199 is an equidigital number, since it uses as much as digits as its factorization.

1121020113199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160145730464.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 1121020113199 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred thirteen thousand, one hundred ninety-nine".