211320122130000 has 400 divisors, whose sum is σ = 816271246338240. Its totient is φ = 52017259968000.

The previous prime is 211320122129981. The next prime is 211320122130017. The reversal of 211320122130000 is 31221023112.

211320122130000 is a `hidden beast` number, since 2 + 11 + 320 + 12 + 21 + 300 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 79 ways as a sum of consecutive naturals, for example, 26592582 + ... + 33612581.

Almost surely, 2^{211320122130000} is an apocalyptic number.

211320122130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211320122130000 is an abundant number, since it is smaller than the sum of its proper divisors (604951124208240).

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

211320122130000 is a wasteful number, since it uses less digits than its factorization.

211320122130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60205213 (or 60205186 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211320122130000 its reverse (31221023112), we get a palindrome (211351343153112).

The spelling of 211320122130000 in words is "two hundred eleven trillion, three hundred twenty billion, one hundred twenty-two million, one hundred thirty thousand".