1001211011 has 8 divisors (see below), whose sum is σ = 1035061104. Its totient is φ = 967841280.

The previous prime is 1001210981. The next prime is 1001211017. The reversal of 1001211011 is 1101121001.

It is a happy number.

1001211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1001211011 - 2¹⁴ = 1001194627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001211011.

It is not an unprimeable number, because it can be changed into a prime (1001211017) 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, 115850 + ... + 124191.

It is an arithmetic number, because the mean of its divisors is an integer number (129382638).

Almost surely, 2^1001211011 is an apocalyptic number.

1001211011 is a deficient number, since it is larger than the sum of its proper divisors (33850093).

1001211011 is an equidigital number, since it uses as much as digits as its factorization.

1001211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240181.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1001211011 is about 31641.9185733103. The cubic root of 1001211011 is about 1000.4035074931.

Adding to 1001211011 its reverse (1101121001), we get a palindrome (2102332012).

The spelling of 1001211011 in words is "one billion, one million, two hundred eleven thousand, eleven".