21222133103 has 2 divisors, whose sum is σ = 21222133104. Its totient is φ = 21222133102.

The previous prime is 21222133099. The next prime is 21222133111. The reversal of 21222133103 is 30133122212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21222133103 - 2² = 21222133099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21222133003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611066551 + 10611066552.

It is an arithmetic number, because the mean of its divisors is an integer number (10611066552).

Almost surely, 2^21222133103 is an apocalyptic number.

21222133103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222133103 is an equidigital number, since it uses as much as digits as its factorization.

21222133103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21222133103 its reverse (30133122212), we get a palindrome (51355255315).

The spelling of 21222133103 in words is "twenty-one billion, two hundred twenty-two million, one hundred thirty-three thousand, one hundred three".