21111034322 has 32 divisors (see below), whose sum is σ = 36340099200. Its totient is φ = 9010205568.

The previous prime is 21111034309. The next prime is 21111034327. The reversal of 21111034322 is 22343011112.

It is a junction number, because it is equal to n+sod(n) for n = 21111034294 and 21111034303.

It is not an unprimeable number, because it can be changed into a prime (21111034327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7487429 + ... + 7490247.

It is an arithmetic number, because the mean of its divisors is an integer number (1135628100).

Almost surely, 2^21111034322 is an apocalyptic number.

21111034322 is a deficient number, since it is larger than the sum of its proper divisors (15229064878).

21111034322 is a wasteful number, since it uses less digits than its factorization.

21111034322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21111034322 its reverse (22343011112), we get a palindrome (43454045434).

The spelling of 21111034322 in words is "twenty-one billion, one hundred eleven million, thirty-four thousand, three hundred twenty-two".