21122133200303 has 2 divisors, whose sum is σ = 21122133200304. Its totient is φ = 21122133200302.

The previous prime is 21122133200261. The next prime is 21122133200321. The reversal of 21122133200303 is 30300233122112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21122133200303 - 2²⁰ = 21122132151727 is a prime.

It is a super-2 number, since 2×21122133200303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21122133200383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10561066600151 + 10561066600152.

It is an arithmetic number, because the mean of its divisors is an integer number (10561066600152).

Almost surely, 2^{21122133200303} is an apocalyptic number.

21122133200303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21122133200303 is an equidigital number, since it uses as much as digits as its factorization.

21122133200303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21122133200303 its reverse (30300233122112), we get a palindrome (51422366322415).

The spelling of 21122133200303 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred thirty-three million, two hundred thousand, three hundred three".