11203020131099 has 4 divisors (see below), whose sum is σ = 11209614023400. Its totient is φ = 11196426238800.

The previous prime is 11203020131021. The next prime is 11203020131123. The reversal of 11203020131099 is 99013102030211.

It is a happy number.

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 11203020131099 - 2⁸ = 11203020130843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203080131099) 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, 3296943602 + ... + 3296946999.

It is an arithmetic number, because the mean of its divisors is an integer number (2802403505850).

Almost surely, 2^{11203020131099} is an apocalyptic number.

11203020131099 is a deficient number, since it is larger than the sum of its proper divisors (6593892301).

11203020131099 is an equidigital number, since it uses as much as digits as its factorization.

11203020131099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6593892300.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 11203020131099 in words is "eleven trillion, two hundred three billion, twenty million, one hundred thirty-one thousand, ninety-nine".