211321233004 has 12 divisors (see below), whose sum is σ = 422642466064. Its totient is φ = 90566242704.

The previous prime is 211321232989. The next prime is 211321233131. The reversal of 211321233004 is 400332123112.

211321233004 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3773593419 + ... + 3773593474.

Almost surely, 2^211321233004 is an apocalyptic number.

It is an amenable number.

211321233004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211321233004 is a wasteful number, since it uses less digits than its factorization.

211321233004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547186904 (or 7547186902 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 211321233004 its reverse (400332123112), we get a palindrome (611653356116).

The spelling of 211321233004 in words is "two hundred eleven billion, three hundred twenty-one million, two hundred thirty-three thousand, four".