21111133322 has 8 divisors (see below), whose sum is σ = 31980231972. Its totient is φ = 10451056000.

The previous prime is 21111133289. The next prime is 21111133369. The reversal of 21111133322 is 22333111112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19754021401 + 1357111921 = 140549^2 + 36839^2 .

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 = 21111133294 and 21111133303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52255079 + ... + 52255482.

Almost surely, 2^21111133322 is an apocalyptic number.

21111133322 is a deficient number, since it is larger than the sum of its proper divisors (10869098650).

21111133322 is a wasteful number, since it uses less digits than its factorization.

21111133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104510664.

The product of its digits is 216, while the sum is 20.

Adding to 21111133322 its reverse (22333111112), we get a palindrome (43444244434).

The spelling of 21111133322 in words is "twenty-one billion, one hundred eleven million, one hundred thirty-three thousand, three hundred twenty-two".