11112202011 has 4 divisors (see below), whose sum is σ = 14816269352. Its totient is φ = 7408134672.

The previous prime is 11112202001. The next prime is 11112202019. The reversal of 11112202011 is 11020221111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11020221111 = 3 ⋅3673407037.

It is not a de Polignac number, because 11112202011 - 2⁷ = 11112201883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112202019) 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, 1852033666 + ... + 1852033671.

It is an arithmetic number, because the mean of its divisors is an integer number (3704067338).

Almost surely, 2^11112202011 is an apocalyptic number.

11112202011 is a deficient number, since it is larger than the sum of its proper divisors (3704067341).

11112202011 is an equidigital number, since it uses as much as digits as its factorization.

11112202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704067340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11112202011 its reverse (11020221111), we get a palindrome (22132423122).

The spelling of 11112202011 in words is "eleven billion, one hundred twelve million, two hundred two thousand, eleven".