1012220021093 has 2 divisors, whose sum is σ = 1012220021094. Its totient is φ = 1012220021092.

The previous prime is 1012220021083. The next prime is 1012220021143. The reversal of 1012220021093 is 3901200222101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 960464681089 + 51755340004 = 980033^2 + 227498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012220021093 is a prime.

It is a super-2 number, since 2×1012220021093² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012220021083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506110010546 + 506110010547.

It is an arithmetic number, because the mean of its divisors is an integer number (506110010547).

Almost surely, 2^{1012220021093} is an apocalyptic number.

It is an amenable number.

1012220021093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012220021093 is an equidigital number, since it uses as much as digits as its factorization.

1012220021093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1012220021093 its reverse (3901200222101), we get a palindrome (4913420243194).

The spelling of 1012220021093 in words is "one trillion, twelve billion, two hundred twenty million, twenty-one thousand, ninety-three".