2311121104 has 10 divisors (see below), whose sum is σ = 4477797170. Its totient is φ = 1155560544.

The previous prime is 2311121081. The next prime is 2311121143. The reversal of 2311121104 is 4011211132.

It can be written as a sum of positive squares in only one way, i.e., 2299010704 + 12110400 = 47948^2 + 3480^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 144445069 = 2311121104 / (2 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72222519 + ... + 72222550.

It is an arithmetic number, because the mean of its divisors is an integer number (447779717).

Almost surely, 2^2311121104 is an apocalyptic number.

It is an amenable number.

2311121104 is a deficient number, since it is larger than the sum of its proper divisors (2166676066).

2311121104 is a wasteful number, since it uses less digits than its factorization.

2311121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144445077 (or 144445071 counting only the distinct ones).

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

The square root of 2311121104 is about 48074.1209384009. The cubic root of 2311121104 is about 1322.1302273443.

Adding to 2311121104 its reverse (4011211132), we get a palindrome (6322332236).

The spelling of 2311121104 in words is "two billion, three hundred eleven million, one hundred twenty-one thousand, one hundred four".