211102320331 has 12 divisors (see below), whose sum is σ = 247334689560. Its totient is φ = 179643078720.

The previous prime is 211102320281. The next prime is 211102320347. The reversal of 211102320331 is 133023201112.

It is not a de Polignac number, because 211102320331 - 2¹¹ = 211102318283 is a prime.

It is a super-2 number, since 2×211102320331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211102320299 and 211102320308.

It is not an unprimeable number, because it can be changed into a prime (211102320361) 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, 15490350 + ... + 15503971.

It is an arithmetic number, because the mean of its divisors is an integer number (20611224130).

Almost surely, 2^211102320331 is an apocalyptic number.

211102320331 is a deficient number, since it is larger than the sum of its proper divisors (36232369229).

211102320331 is a wasteful number, since it uses less digits than its factorization.

211102320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30994474 (or 30994467 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211102320331 its reverse (133023201112), we get a palindrome (344125521443).

The spelling of 211102320331 in words is "two hundred eleven billion, one hundred two million, three hundred twenty thousand, three hundred thirty-one".