1013101230221 has 12 divisors (see below), whose sum is σ = 1076252148468. Its totient is φ = 953461688832.

The previous prime is 1013101230217. The next prime is 1013101230233. The reversal of 1013101230221 is 1220321013101.

It can be written as a sum of positive squares in 6 ways, for example, as 11378488900 + 1001722741321 = 106670^2 + 1000861^2 .

It is not a de Polignac number, because 1013101230221 - 2² = 1013101230217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013101230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013101230821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7060625 + ... + 7202681.

It is an arithmetic number, because the mean of its divisors is an integer number (89687679039).

Almost surely, 2^{1013101230221} is an apocalyptic number.

It is an amenable number.

1013101230221 is a deficient number, since it is larger than the sum of its proper divisors (63150918247).

1013101230221 is a wasteful number, since it uses less digits than its factorization.

1013101230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166768 (or 166751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1013101230221 its reverse (1220321013101), we get a palindrome (2233422243322).

The spelling of 1013101230221 in words is "one trillion, thirteen billion, one hundred one million, two hundred thirty thousand, two hundred twenty-one".