2111140402 has 24 divisors (see below), whose sum is σ = 3687091056. Its totient is φ = 903947688.

The previous prime is 2111140387. The next prime is 2111140403. The reversal of 2111140402 is 2040411112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2111140403) 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, 104713 + ... + 123235.

It is an arithmetic number, because the mean of its divisors is an integer number (153628794).

Almost surely, 2^2111140402 is an apocalyptic number.

2111140402 is a deficient number, since it is larger than the sum of its proper divisors (1575950654).

2111140402 is a wasteful number, since it uses less digits than its factorization.

2111140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19702 (or 19695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2111140402 is about 45947.1479201920. The cubic root of 2111140402 is about 1282.8396433465.

Adding to 2111140402 its reverse (2040411112), we get a palindrome (4151551514).

The spelling of 2111140402 in words is "two billion, one hundred eleven million, one hundred forty thousand, four hundred two".