1013102221 has 2 divisors, whose sum is σ = 1013102222. Its totient is φ = 1013102220.

The previous prime is 1013102201. The next prime is 1013102257. The reversal of 1013102221 is 1222013101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 960380100 + 52722121 = 30990^2 + 7261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013102221 - 2⁹ = 1013101709 is a prime.

It is a super-2 number, since 2×1013102221² = 2052752220390265682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506551110 + 506551111.

It is an arithmetic number, because the mean of its divisors is an integer number (506551111).

Almost surely, 2^1013102221 is an apocalyptic number.

It is an amenable number.

1013102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013102221 is an equidigital number, since it uses as much as digits as its factorization.

1013102221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1013102221 is about 31829.2667367629. The cubic root of 1013102221 is about 1004.3484703965.

Adding to 1013102221 its reverse (1222013101), we get a palindrome (2235115322).

The spelling of 1013102221 in words is "one billion, thirteen million, one hundred two thousand, two hundred twenty-one".