1011423211 has 16 divisors (see below), whose sum is σ = 1080669600. Its totient is φ = 943303168.

The previous prime is 1011423197. The next prime is 1011423247. The reversal of 1011423211 is 1123241101.

It is a cyclic number.

It is not a de Polignac number, because 1011423211 - 2¹¹ = 1011421163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011423011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548561 + ... + 1549213.

It is an arithmetic number, because the mean of its divisors is an integer number (67541850).

Almost surely, 2^1011423211 is an apocalyptic number.

1011423211 is a deficient number, since it is larger than the sum of its proper divisors (69246389).

1011423211 is a wasteful number, since it uses less digits than its factorization.

1011423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1011423211 is about 31802.8805456361. The cubic root of 1011423211 is about 1003.7933294571.

Adding to 1011423211 its reverse (1123241101), we get a palindrome (2134664312).

The spelling of 1011423211 in words is "one billion, eleven million, four hundred twenty-three thousand, two hundred eleven".