21120022203331 has 2 divisors, whose sum is σ = 21120022203332. Its totient is φ = 21120022203330.

The previous prime is 21120022203307. The next prime is 21120022203431. The reversal of 21120022203331 is 13330222002112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21120022203331 - 2⁵ = 21120022203299 is a prime.

It is a super-2 number, since 2×21120022203331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21120022203431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560011101665 + 10560011101666.

It is an arithmetic number, because the mean of its divisors is an integer number (10560011101666).

Almost surely, 2^{21120022203331} is an apocalyptic number.

21120022203331 is a deficient number, since it is larger than the sum of its proper divisors (1).

21120022203331 is an equidigital number, since it uses as much as digits as its factorization.

21120022203331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21120022203331 its reverse (13330222002112), we get a palindrome (34450244205443).

The spelling of 21120022203331 in words is "twenty-one trillion, one hundred twenty billion, twenty-two million, two hundred three thousand, three hundred thirty-one".