2203193872811 has 4 divisors (see below), whose sum is σ = 2210370400392. Its totient is φ = 2196017345232.

The previous prime is 2203193872799. The next prime is 2203193872853. The reversal of 2203193872811 is 1182783913022.

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 2203193872811 - 2²² = 2203189678507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203193872211) 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, 3588263330 + ... + 3588263943.

It is an arithmetic number, because the mean of its divisors is an integer number (552592600098).

Almost surely, 2^{2203193872811} is an apocalyptic number.

2203193872811 is a deficient number, since it is larger than the sum of its proper divisors (7176527581).

2203193872811 is an equidigital number, since it uses as much as digits as its factorization.

2203193872811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176527580.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 2203193872811 in words is "two trillion, two hundred three billion, one hundred ninety-three million, eight hundred seventy-two thousand, eight hundred eleven".