1012321211 has 12 divisors (see below), whose sum is σ = 1117736256. Its totient is φ = 916140720.

The previous prime is 1012321207. The next prime is 1012321249. The reversal of 1012321211 is 1121232101.

It is not a de Polignac number, because 1012321211 - 2² = 1012321207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8225 + ... + 45741.

It is an arithmetic number, because the mean of its divisors is an integer number (93144688).

Almost surely, 2^1012321211 is an apocalyptic number.

1012321211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012321211 is a deficient number, since it is larger than the sum of its proper divisors (105415045).

1012321211 is a wasteful number, since it uses less digits than its factorization.

1012321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37762 (or 37751 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1012321211 is about 31816.9956312660. The cubic root of 1012321211 is about 1004.0903168303.

Adding to 1012321211 its reverse (1121232101), we get a palindrome (2133553312).

It can be divided in two parts, 1012 and 321211, that added together give a palindrome (322223).

The spelling of 1012321211 in words is "one billion, twelve million, three hundred twenty-one thousand, two hundred eleven".