211220101002324 has 24 divisors (see below), whose sum is σ = 492847157613888. Its totient is φ = 70406663866240.

The previous prime is 211220101002307. The next prime is 211220101002331. The reversal of 211220101002324 is 423200101022112.

It is a happy number.

It is a super-2 number, since 2×211220101002324² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211220101002324.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30138529 + ... + 36479735.

It is an arithmetic number, because the mean of its divisors is an integer number (20535298233912).

Almost surely, 2^{211220101002324} is an apocalyptic number.

It is an amenable number.

211220101002324 is an abundant number, since it is smaller than the sum of its proper divisors (281627056611564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211220101002324 is a wasteful number, since it uses less digits than its factorization.

211220101002324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9116975 (or 9116973 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 211220101002324 its reverse (423200101022112), we get a palindrome (634420202024436).

The spelling of 211220101002324 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred one million, two thousand, three hundred twenty-four".