211321213233995 has 32 divisors (see below), whose sum is σ = 255715826720640. Its totient is φ = 167643778498560.

The previous prime is 211321213233973. The next prime is 211321213233997. The reversal of 211321213233995 is 599332312123112.

It is a de Polignac number, because none of the positive numbers 2^k-211321213233995 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211321213233997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364428851 + ... + 365008259.

It is an arithmetic number, because the mean of its divisors is an integer number (7991119585020).

Almost surely, 2^{211321213233995} is an apocalyptic number.

211321213233995 is a deficient number, since it is larger than the sum of its proper divisors (44394613486645).

211321213233995 is a wasteful number, since it uses less digits than its factorization.

211321213233995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580935.

The product of its digits is 524880, while the sum is 47.

The spelling of 211321213233995 in words is "two hundred eleven trillion, three hundred twenty-one billion, two hundred thirteen million, two hundred thirty-three thousand, nine hundred ninety-five".