1001113211 has 16 divisors (see below), whose sum is σ = 1205299200. Its totient is φ = 812291328.

The previous prime is 1001113103. The next prime is 1001113213. The reversal of 1001113211 is 1123111001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1001113211 - 2¹⁸ = 1000851067 is a prime.

It is a super-2 number, since 2×1001113211² = 2004455322477461042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001113192 and 1001113201.

It is not an unprimeable number, because it can be changed into a prime (1001113213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240395 + ... + 244523.

It is an arithmetic number, because the mean of its divisors is an integer number (75331200).

Almost surely, 2^1001113211 is an apocalyptic number.

1001113211 is a deficient number, since it is larger than the sum of its proper divisors (204185989).

1001113211 is a wasteful number, since it uses less digits than its factorization.

1001113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1001113211 is about 31640.3731172690. The cubic root of 1001113211 is about 1000.3709327252.

Adding to 1001113211 its reverse (1123111001), we get a palindrome (2124224212).

The spelling of 1001113211 in words is "one billion, one million, one hundred thirteen thousand, two hundred eleven".