21113341034 has 16 divisors (see below), whose sum is σ = 32348163456. Its totient is φ = 10330680000.

The previous prime is 21113341019. The next prime is 21113341037. The reversal of 21113341034 is 43014331112.

It is not an unprimeable number, because it can be changed into a prime (21113341037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331714 + ... + 1347474.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760216).

Almost surely, 2^21113341034 is an apocalyptic number.

21113341034 is a deficient number, since it is larger than the sum of its proper divisors (11234822422).

21113341034 is a wasteful number, since it uses less digits than its factorization.

21113341034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30061.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21113341034 its reverse (43014331112), we get a palindrome (64127672146).

The spelling of 21113341034 in words is "twenty-one billion, one hundred thirteen million, three hundred forty-one thousand, thirty-four".