1301010221 has 24 divisors (see below), whose sum is σ = 1626431616. Its totient is φ = 1033845120.

The previous prime is 1301010211. The next prime is 1301010233. The reversal of 1301010221 is 1220101031.

It is not a de Polignac number, because 1301010221 - 2¹⁰ = 1301009197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301010211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44156 + ... + 67466.

It is an arithmetic number, because the mean of its divisors is an integer number (67767984).

Almost surely, 2^1301010221 is an apocalyptic number.

It is an amenable number.

1301010221 is a deficient number, since it is larger than the sum of its proper divisors (325421395).

1301010221 is a wasteful number, since it uses less digits than its factorization.

1301010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23409 (or 23402 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1301010221 is about 36069.5192787484. The cubic root of 1301010221 is about 1091.6755144813.

Adding to 1301010221 its reverse (1220101031), we get a palindrome (2521111252).

The spelling of 1301010221 in words is "one billion, three hundred one million, ten thousand, two hundred twenty-one".