1013132221 has 8 divisors (see below), whose sum is σ = 1119369024. Its totient is φ = 912077760.

The previous prime is 1013132207. The next prime is 1013132243. The reversal of 1013132221 is 1222313101.

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 1013132221 - 2⁷ = 1013132093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013132195 and 1013132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013132321) 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, 1295175 + ... + 1295956.

It is an arithmetic number, because the mean of its divisors is an integer number (139921128).

Almost surely, 2^1013132221 is an apocalyptic number.

It is an amenable number.

1013132221 is a deficient number, since it is larger than the sum of its proper divisors (106236803).

1013132221 is a wasteful number, since it uses less digits than its factorization.

1013132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591171.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1013132221 is about 31829.7379976650. The cubic root of 1013132221 is about 1004.3583838933.

Adding to 1013132221 its reverse (1222313101), we get a palindrome (2235445322).

The spelling of 1013132221 in words is "one billion, thirteen million, one hundred thirty-two thousand, two hundred twenty-one".