2101201311 has 8 divisors (see below), whose sum is σ = 3056292864. Its totient is φ = 1273455320.

The previous prime is 2101201283. The next prime is 2101201331. The reversal of 2101201311 is 1131021012.

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 2101201311 - 2⁷ = 2101201183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101201331) 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, 31836351 + ... + 31836416.

It is an arithmetic number, because the mean of its divisors is an integer number (382036608).

Almost surely, 2^2101201311 is an apocalyptic number.

2101201311 is a deficient number, since it is larger than the sum of its proper divisors (955091553).

2101201311 is a wasteful number, since it uses less digits than its factorization.

2101201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63672781.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2101201311 is about 45838.8624531630. The cubic root of 2101201311 is about 1280.8233047632.

Adding to 2101201311 its reverse (1131021012), we get a palindrome (3232222323).

The spelling of 2101201311 in words is "two billion, one hundred one million, two hundred one thousand, three hundred eleven".