21034114311 has 12 divisors (see below), whose sum is σ = 32624340792. Its totient is φ = 12019493808.

The previous prime is 21034114303. The next prime is 21034114337. The reversal of 21034114311 is 11341143012.

It is not a de Polignac number, because 21034114311 - 2³ = 21034114303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034110311) 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 11 ways as a sum of consecutive naturals, for example, 71544460 + ... + 71544753.

It is an arithmetic number, because the mean of its divisors is an integer number (2718695066).

Almost surely, 2^21034114311 is an apocalyptic number.

21034114311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21034114311 is a deficient number, since it is larger than the sum of its proper divisors (11590226481).

21034114311 is a wasteful number, since it uses less digits than its factorization.

21034114311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143089230 (or 143089223 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21034114311 its reverse (11341143012), we get a palindrome (32375257323).

The spelling of 21034114311 in words is "twenty-one billion, thirty-four million, one hundred fourteen thousand, three hundred eleven".