240221110993 has 2 divisors, whose sum is σ = 240221110994. Its totient is φ = 240221110992.

The previous prime is 240221110957. The next prime is 240221111033. The reversal of 240221110993 is 399011122042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151183325329 + 89037785664 = 388823^2 + 298392^2 .

It is a cyclic number.

It is not a de Polignac number, because 240221110993 - 2¹³ = 240221102801 is a prime.

It is a super-2 number, since 2×240221110993² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240221110903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120110555496 + 120110555497.

It is an arithmetic number, because the mean of its divisors is an integer number (120110555497).

Almost surely, 2^240221110993 is an apocalyptic number.

It is an amenable number.

240221110993 is a deficient number, since it is larger than the sum of its proper divisors (1).

240221110993 is an equidigital number, since it uses as much as digits as its factorization.

240221110993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 240221110993 in words is "two hundred forty billion, two hundred twenty-one million, one hundred ten thousand, nine hundred ninety-three".