11942321111 has 12 divisors (see below), whose sum is σ = 14019544440. Its totient is φ = 10142359920.

The previous prime is 11942321107. The next prime is 11942321113. The reversal of 11942321111 is 11112324911.

It is not a de Polignac number, because 11942321111 - 2² = 11942321107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11942321113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112645 + ... + 1123326.

It is an arithmetic number, because the mean of its divisors is an integer number (1168295370).

Almost surely, 2^11942321111 is an apocalyptic number.

11942321111 is a deficient number, since it is larger than the sum of its proper divisors (2077223329).

11942321111 is a wasteful number, since it uses less digits than its factorization.

11942321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236094 (or 2236087 counting only the distinct ones).

The product of its digits is 432, while the sum is 26.

The spelling of 11942321111 in words is "eleven billion, nine hundred forty-two million, three hundred twenty-one thousand, one hundred eleven".