2101351311 has 12 divisors (see below), whose sum is σ = 3109317120. Its totient is φ = 1366732320.

The previous prime is 2101351309. The next prime is 2101351313. The reversal of 2101351311 is 1131531012.

2101351311 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 351 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (2101351309) and next prime (2101351313).

It is not a de Polignac number, because 2101351311 - 2¹ = 2101351309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101351313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2846991 + ... + 2847728.

It is an arithmetic number, because the mean of its divisors is an integer number (259109760).

Almost surely, 2^2101351311 is an apocalyptic number.

2101351311 is a deficient number, since it is larger than the sum of its proper divisors (1007965809).

2101351311 is a wasteful number, since it uses less digits than its factorization.

2101351311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694766 (or 5694763 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 2101351311 is about 45840.4985902204. The cubic root of 2101351311 is about 1280.8537823957.

Adding to 2101351311 its reverse (1131531012), we get a palindrome (3232882323).

The spelling of 2101351311 in words is "two billion, one hundred one million, three hundred fifty-one thousand, three hundred eleven".