2112311554 has 16 divisors (see below), whose sum is σ = 3269115360. Its totient is φ = 1022977440.

The previous prime is 2112311549. The next prime is 2112311587. The reversal of 2112311554 is 4551132112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81264 + ... + 104059.

It is an arithmetic number, because the mean of its divisors is an integer number (204319710).

Almost surely, 2^2112311554 is an apocalyptic number.

2112311554 is a deficient number, since it is larger than the sum of its proper divisors (1156803806).

2112311554 is a wasteful number, since it uses less digits than its factorization.

2112311554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185505.

The product of its digits is 1200, while the sum is 25.

The square root of 2112311554 is about 45959.8907091825. The cubic root of 2112311554 is about 1283.0768172897.

Adding to 2112311554 its reverse (4551132112), we get a palindrome (6663443666).

The spelling of 2112311554 in words is "two billion, one hundred twelve million, three hundred eleven thousand, five hundred fifty-four".