211311230220300 has 144 divisors (see below), whose sum is σ = 739837907343360. Its totient is φ = 45458550359040.

The previous prime is 211311230220281. The next prime is 211311230220319. The reversal of 211311230220300 is 3022032113112.

It is an interprime number because it is at equal distance from previous prime (211311230220281) and next prime (211311230220319).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2959505340 + ... + 2959576739.

It is an arithmetic number, because the mean of its divisors is an integer number (5137763245440).

Almost surely, 2^{211311230220300} is an apocalyptic number.

211311230220300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211311230220300 is an abundant number, since it is smaller than the sum of its proper divisors (528526677123060).

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

211311230220300 is a wasteful number, since it uses less digits than its factorization.

211311230220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919082120 (or 5919082113 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211311230220300 its reverse (3022032113112), we get a palindrome (214333262333412).

The spelling of 211311230220300 in words is "two hundred eleven trillion, three hundred eleven billion, two hundred thirty million, two hundred twenty thousand, three hundred".