1011244300221 has 16 divisors (see below), whose sum is σ = 1384799981184. Its totient is φ = 655926611904.

The previous prime is 1011244300177. The next prime is 1011244300267. The reversal of 1011244300221 is 1220034421101.

It is not a de Polignac number, because 1011244300221 - 2³⁵ = 976884561853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011244300291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6225391 + ... + 6385763.

It is an arithmetic number, because the mean of its divisors is an integer number (86549998824).

Almost surely, 2^{1011244300221} is an apocalyptic number.

It is an amenable number.

1011244300221 is a deficient number, since it is larger than the sum of its proper divisors (373555680963).

1011244300221 is a wasteful number, since it uses less digits than its factorization.

1011244300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217220.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1011244300221 its reverse (1220034421101), we get a palindrome (2231278721322).

The spelling of 1011244300221 in words is "one trillion, eleven billion, two hundred forty-four million, three hundred thousand, two hundred twenty-one".