1013022002221 has 16 divisors (see below), whose sum is σ = 1045092125376. Its totient is φ = 981203521536.

The previous prime is 1013022002219. The next prime is 1013022002243. The reversal of 1013022002221 is 1222002203101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1013022002221 - 2¹ = 1013022002219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013022002195 and 1013022002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013022002521) 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, 15819550 + ... + 15883456.

It is an arithmetic number, because the mean of its divisors is an integer number (65318257836).

Almost surely, 2^{1013022002221} is an apocalyptic number.

It is an amenable number.

1013022002221 is a deficient number, since it is larger than the sum of its proper divisors (32070123155).

1013022002221 is a wasteful number, since it uses less digits than its factorization.

1013022002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65868.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1013022002221 its reverse (1222002203101), we get a palindrome (2235024205322).

The spelling of 1013022002221 in words is "one trillion, thirteen billion, twenty-two million, two thousand, two hundred twenty-one".