2111401312 has 24 divisors (see below), whose sum is σ = 4183307856. Its totient is φ = 1048973952.

The previous prime is 2111401307. The next prime is 2111401399. The reversal of 2111401312 is 2131041112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205108 + ... + 215155.

It is an arithmetic number, because the mean of its divisors is an integer number (174304494).

Almost surely, 2^2111401312 is an apocalyptic number.

It is an amenable number.

2111401312 is a deficient number, since it is larger than the sum of its proper divisors (2071906544).

2111401312 is a wasteful number, since it uses less digits than its factorization.

2111401312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420430 (or 420422 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2111401312 is about 45949.9870729035. The cubic root of 2111401312 is about 1282.8924887034.

Adding to 2111401312 its reverse (2131041112), we get a palindrome (4242442424).

It can be divided in two parts, 21114013 and 12, that added together give a square (21114025 = 4595²).

The spelling of 2111401312 in words is "two billion, one hundred eleven million, four hundred one thousand, three hundred twelve".