21113341222 has 32 divisors (see below), whose sum is σ = 33443020800. Its totient is φ = 9985657920.

The previous prime is 21113341201. The next prime is 21113341241. The reversal of 21113341222 is 22214331112.

It is a junction number, because it is equal to n+sod(n) for n = 21113341193 and 21113341202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386779 + ... + 437977.

It is an arithmetic number, because the mean of its divisors is an integer number (1045094400).

Almost surely, 2^21113341222 is an apocalyptic number.

21113341222 is a deficient number, since it is larger than the sum of its proper divisors (12329679578).

21113341222 is a wasteful number, since it uses less digits than its factorization.

21113341222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51396.

The product of its digits is 576, while the sum is 22.

Adding to 21113341222 its reverse (22214331112), we get a palindrome (43327672334).

The spelling of 21113341222 in words is "twenty-one billion, one hundred thirteen million, three hundred forty-one thousand, two hundred twenty-two".