211321300000022 has 4 divisors (see below), whose sum is σ = 316981950000036. Its totient is φ = 105660650000010.

The previous prime is 211321299999983. The next prime is 211321300000037. The reversal of 211321300000022 is 220000003123112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52830325000004 + ... + 52830325000007.

It is an arithmetic number, because the mean of its divisors is an integer number (79245487500009).

Almost surely, 2^{211321300000022} is an apocalyptic number.

211321300000022 is a deficient number, since it is larger than the sum of its proper divisors (105660650000014).

211321300000022 is a wasteful number, since it uses less digits than its factorization.

211321300000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105660650000013.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 211321300000022 its reverse (220000003123112), we get a palindrome (431321303123134).

The spelling of 211321300000022 in words is "two hundred eleven trillion, three hundred twenty-one billion, three hundred million, twenty-two", and thus it is an aban number.