1300021211 has 8 divisors (see below), whose sum is σ = 1372262400. Its totient is φ = 1228161960.

The previous prime is 1300021207. The next prime is 1300021213. The reversal of 1300021211 is 1121200031.

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 1300021211 - 2² = 1300021207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300021192 and 1300021201.

It is not an unprimeable number, because it can be changed into a prime (1300021213) 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, 88475 + ... + 102116.

It is an arithmetic number, because the mean of its divisors is an integer number (171532800).

Almost surely, 2^1300021211 is an apocalyptic number.

1300021211 is a deficient number, since it is larger than the sum of its proper divisors (72241189).

1300021211 is a wasteful number, since it uses less digits than its factorization.

1300021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190969.

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

The square root of 1300021211 is about 36055.8068970866. The cubic root of 1300021211 is about 1091.3988188069.

Adding to 1300021211 its reverse (1121200031), we get a palindrome (2421221242).

The spelling of 1300021211 in words is "one billion, three hundred million, twenty-one thousand, two hundred eleven".