21233111033222 has 32 divisors (see below), whose sum is σ = 36790722059904. Its totient is φ = 9083238825600.

The previous prime is 21233111033203. The next prime is 21233111033227. The reversal of 21233111033222 is 22233011133212.

It is a junction number, because it is equal to n+sod(n) for n = 21233111033191 and 21233111033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233111033227) 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, 6310097 + ... + 9071027.

It is an arithmetic number, because the mean of its divisors is an integer number (1149710064372).

Almost surely, 2^{21233111033222} is an apocalyptic number.

21233111033222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21233111033222 is a deficient number, since it is larger than the sum of its proper divisors (15557611026682).

21233111033222 is a wasteful number, since it uses less digits than its factorization.

21233111033222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781524.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21233111033222 its reverse (22233011133212), we get a palindrome (43466122166434).

The spelling of 21233111033222 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred eleven million, thirty-three thousand, two hundred twenty-two".