211302300111 has 24 divisors (see below), whose sum is σ = 329821694640. Its totient is φ = 119975087232.

The previous prime is 211302300089. The next prime is 211302300127. The reversal of 211302300111 is 111003203112.

It is a happy number.

It is not a de Polignac number, because 211302300111 - 2⁶ = 211302300047 is a prime.

It is a super-2 number, since 2×211302300111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211302300211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4554726 + ... + 4600883.

It is an arithmetic number, because the mean of its divisors is an integer number (13742570610).

Almost surely, 2^211302300111 is an apocalyptic number.

211302300111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211302300111 is a deficient number, since it is larger than the sum of its proper divisors (118519394529).

211302300111 is a wasteful number, since it uses less digits than its factorization.

211302300111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155783 (or 9155776 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211302300111 its reverse (111003203112), we get a palindrome (322305503223).

The spelling of 211302300111 in words is "two hundred eleven billion, three hundred two million, three hundred thousand, one hundred eleven".