2101311122 has 8 divisors (see below), whose sum is σ = 3152181900. Its totient is φ = 1050583824.

The previous prime is 2101311071. The next prime is 2101311169. The reversal of 2101311122 is 2211131012.

It can be written as a sum of positive squares in 2 ways, for example, as 1867190521 + 234120601 = 43211^2 + 15301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2101311097 and 2101311106.

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, 15404 + ... + 66632.

Almost surely, 2^2101311122 is an apocalyptic number.

2101311122 is a deficient number, since it is larger than the sum of its proper divisors (1050870778).

2101311122 is a wasteful number, since it uses less digits than its factorization.

2101311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71740.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2101311122 is about 45840.0602311995. The cubic root of 2101311122 is about 1280.8456167674.

Adding to 2101311122 its reverse (2211131012), we get a palindrome (4312442134).

The spelling of 2101311122 in words is "two billion, one hundred one million, three hundred eleven thousand, one hundred twenty-two".