2111321354 has 4 divisors (see below), whose sum is σ = 3166982034. Its totient is φ = 1055660676.

The previous prime is 2111321323. The next prime is 2111321369. The reversal of 2111321354 is 4531231112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1804125625 + 307195729 = 42475^2 + 17527^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527830337 + ... + 527830340.

Almost surely, 2^2111321354 is an apocalyptic number.

2111321354 is a deficient number, since it is larger than the sum of its proper divisors (1055660680).

2111321354 is a wasteful number, since it uses less digits than its factorization.

2111321354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055660679.

The product of its digits is 720, while the sum is 23.

The square root of 2111321354 is about 45949.1170100145. The cubic root of 2111321354 is about 1282.8762942749.

Adding to 2111321354 its reverse (4531231112), we get a palindrome (6642552466).

The spelling of 2111321354 in words is "two billion, one hundred eleven million, three hundred twenty-one thousand, three hundred fifty-four".