211221002010232 has 16 divisors (see below), whose sum is σ = 397696447303200. Its totient is φ = 105168616062720.

The previous prime is 211221002010229. The next prime is 211221002010299. The reversal of 211221002010232 is 232010200122112.

It is a super-2 number, since 2×211221002010232² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55235615769 + ... + 55235619592.

It is an arithmetic number, because the mean of its divisors is an integer number (24856027956450).

Almost surely, 2^{211221002010232} is an apocalyptic number.

It is an amenable number.

211221002010232 is a deficient number, since it is larger than the sum of its proper divisors (186475445292968).

211221002010232 is a wasteful number, since it uses less digits than its factorization.

211221002010232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110471235606 (or 110471235602 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211221002010232 its reverse (232010200122112), we get a palindrome (443231202132344).

The spelling of 211221002010232 in words is "two hundred eleven trillion, two hundred twenty-one billion, two million, ten thousand, two hundred thirty-two".