11203142211 has 32 divisors (see below), whose sum is σ = 17207043840. Its totient is φ = 7198747200.

The previous prime is 11203142179. The next prime is 11203142287. The reversal of 11203142211 is 11224130211.

It is not a de Polignac number, because 11203142211 - 2⁵ = 11203142179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203149211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30916 + ... + 152846.

It is an arithmetic number, because the mean of its divisors is an integer number (537720120).

Almost surely, 2^11203142211 is an apocalyptic number.

11203142211 is a deficient number, since it is larger than the sum of its proper divisors (6003901629).

11203142211 is a wasteful number, since it uses less digits than its factorization.

11203142211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122064 (or 122058 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11203142211 its reverse (11224130211), we get a palindrome (22427272422).

The spelling of 11203142211 in words is "eleven billion, two hundred three million, one hundred forty-two thousand, two hundred eleven".