21120464330093 has 2 divisors, whose sum is σ = 21120464330094. Its totient is φ = 21120464330092.

The previous prime is 21120464330047. The next prime is 21120464330129. The reversal of 21120464330093 is 39003346402112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21096870755689 + 23593574404 = 4593133^2 + 153602^2 .

It is a cyclic number.

It is not a de Polignac number, because 21120464330093 - 2¹⁴ = 21120464313709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21120464330293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560232165046 + 10560232165047.

It is an arithmetic number, because the mean of its divisors is an integer number (10560232165047).

Almost surely, 2^{21120464330093} is an apocalyptic number.

It is an amenable number.

21120464330093 is a deficient number, since it is larger than the sum of its proper divisors (1).

21120464330093 is an equidigital number, since it uses as much as digits as its factorization.

21120464330093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 21120464330093 in words is "twenty-one trillion, one hundred twenty billion, four hundred sixty-four million, three hundred thirty thousand, ninety-three".