2102201331 has 8 divisors (see below), whose sum is σ = 2803398864. Its totient is φ = 1401235680.

The previous prime is 2102201327. The next prime is 2102201333. The reversal of 2102201331 is 1331022012.

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

It is not a de Polignac number, because 2102201331 - 2² = 2102201327 is a prime.

It is a super-2 number, since 2×2102201331² = 8838500872116343122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2102201331.

It is not an unprimeable number, because it can be changed into a prime (2102201333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35580 + ... + 73961.

It is an arithmetic number, because the mean of its divisors is an integer number (350424858).

Almost surely, 2^2102201331 is an apocalyptic number.

2102201331 is a deficient number, since it is larger than the sum of its proper divisors (701197533).

2102201331 is a wasteful number, since it uses less digits than its factorization.

2102201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115941.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2102201331 is about 45849.7691488191. The cubic root of 2102201331 is about 1281.0264656520.

Adding to 2102201331 its reverse (1331022012), we get a palindrome (3433223343).

The spelling of 2102201331 in words is "two billion, one hundred two million, two hundred one thousand, three hundred thirty-one".