21112301203222 has 32 divisors (see below), whose sum is σ = 34628990400000. Its totient is φ = 9615316094496.

The previous prime is 21112301203219. The next prime is 21112301203223. The reversal of 21112301203222 is 22230210321112.

It is a junction number, because it is equal to n+sod(n) for n = 21112301203193 and 21112301203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112301203223) 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, 39816472 + ... + 40343227.

It is an arithmetic number, because the mean of its divisors is an integer number (1082155950000).

Almost surely, 2^{21112301203222} is an apocalyptic number.

21112301203222 is a deficient number, since it is larger than the sum of its proper divisors (13516689196778).

21112301203222 is a wasteful number, since it uses less digits than its factorization.

21112301203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80159988.

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

Adding to 21112301203222 its reverse (22230210321112), we get a palindrome (43342511524334).

The spelling of 21112301203222 in words is "twenty-one trillion, one hundred twelve billion, three hundred one million, two hundred three thousand, two hundred twenty-two".