21133313123119 has 2 divisors, whose sum is σ = 21133313123120. Its totient is φ = 21133313123118.

The previous prime is 21133313123101. The next prime is 21133313123203. The reversal of 21133313123119 is 91132131333112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21133313123119 - 2¹⁹ = 21133312598831 is a prime.

It is a super-2 number, since 2×21133313123119² (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 (21133313123519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566656561559 + 10566656561560.

It is an arithmetic number, because the mean of its divisors is an integer number (10566656561560).

Almost surely, 2^{21133313123119} is an apocalyptic number.

21133313123119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133313123119 is an equidigital number, since it uses as much as digits as its factorization.

21133313123119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 34.

The spelling of 21133313123119 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred thirteen million, one hundred twenty-three thousand, one hundred nineteen".