21211101034 has 8 divisors (see below), whose sum is σ = 32493601728. Its totient is φ = 10379900460.

The previous prime is 21211101029. The next prime is 21211101083. The reversal of 21211101034 is 43010111212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21211100999 and 21211101017.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 112824912 + ... + 112825099.

It is an arithmetic number, because the mean of its divisors is an integer number (4061700216).

Almost surely, 2^21211101034 is an apocalyptic number.

21211101034 is a deficient number, since it is larger than the sum of its proper divisors (11282500694).

21211101034 is a wasteful number, since it uses less digits than its factorization.

21211101034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225650060.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21211101034 its reverse (43010111212), we get a palindrome (64221212246).

The spelling of 21211101034 in words is "twenty-one billion, two hundred eleven million, one hundred one thousand, thirty-four".