1011220212193 has 2 divisors, whose sum is σ = 1011220212194. Its totient is φ = 1011220212192.

The previous prime is 1011220212187. The next prime is 1011220212217. The reversal of 1011220212193 is 3912120221101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011215270464 + 4941729 = 1005592^2 + 2223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011220212193 - 2⁹ = 1011220211681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011220212143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505610106096 + 505610106097.

It is an arithmetic number, because the mean of its divisors is an integer number (505610106097).

Almost surely, 2^{1011220212193} is an apocalyptic number.

It is an amenable number.

1011220212193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011220212193 is an equidigital number, since it uses as much as digits as its factorization.

1011220212193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 1011220212193 its reverse (3912120221101), we get a palindrome (4923340433294).

The spelling of 1011220212193 in words is "one trillion, eleven billion, two hundred twenty million, two hundred twelve thousand, one hundred ninety-three".