1013202231221 has 8 divisors (see below), whose sum is σ = 1028536233600. Its totient is φ = 997930945440.

The previous prime is 1013202231193. The next prime is 1013202231253. The reversal of 1013202231221 is 1221322023101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013202231221 - 2⁶ = 1013202231157 is a prime.

It is a super-2 number, since 2×1013202231221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013202231193 and 1013202231202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013202231421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15646595 + ... + 15711216.

It is an arithmetic number, because the mean of its divisors is an integer number (128567029200).

Almost surely, 2^{1013202231221} is an apocalyptic number.

It is an amenable number.

1013202231221 is a deficient number, since it is larger than the sum of its proper divisors (15334002379).

1013202231221 is an equidigital number, since it uses as much as digits as its factorization.

1013202231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31358299.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1013202231221 its reverse (1221322023101), we get a palindrome (2234524254322).

The spelling of 1013202231221 in words is "one trillion, thirteen billion, two hundred two million, two hundred thirty-one thousand, two hundred twenty-one".