2102201311 has 8 divisors (see below), whose sum is σ = 2506973184. Its totient is φ = 1723543800.

The previous prime is 2102201293. The next prime is 2102201327. The reversal of 2102201311 is 1131022012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102201311 - 2²³ = 2093812703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102201291 and 2102201300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102204311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6528415 + ... + 6528736.

It is an arithmetic number, because the mean of its divisors is an integer number (313371648).

Almost surely, 2^2102201311 is an apocalyptic number.

2102201311 is a deficient number, since it is larger than the sum of its proper divisors (404771873).

2102201311 is a wasteful number, since it uses less digits than its factorization.

2102201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13057181.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2102201311 is about 45849.7689307155. The cubic root of 2102201311 is about 1281.0264615895.

Adding to 2102201311 its reverse (1131022012), we get a palindrome (3233223323).

The spelling of 2102201311 in words is "two billion, one hundred two million, two hundred one thousand, three hundred eleven".