2211101301231 has 6 divisors (see below), whose sum is σ = 3193812990680. Its totient is φ = 1474067534148.

The previous prime is 2211101301223. The next prime is 2211101301247. The reversal of 2211101301231 is 1321031011122.

2211101301231 is a `hidden beast` number, since 2 + 21 + 110 + 1 + 301 + 231 = 666.

It is not a de Polignac number, because 2211101301231 - 2³ = 2211101301223 is a prime.

It is a super-2 number, since 2×2211101301231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211101351231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122838961171 + ... + 122838961188.

Almost surely, 2^{2211101301231} is an apocalyptic number.

2211101301231 is a deficient number, since it is larger than the sum of its proper divisors (982711689449).

2211101301231 is a wasteful number, since it uses less digits than its factorization.

2211101301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245677922365 (or 245677922362 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2211101301231 its reverse (1321031011122), we get a palindrome (3532132312353).

The spelling of 2211101301231 in words is "two trillion, two hundred eleven billion, one hundred one million, three hundred one thousand, two hundred thirty-one".