211000122010000 has 100 divisors (see below), whose sum is σ = 512657534413552. Its totient is φ = 84101814288000.

The previous prime is 211000122009977. The next prime is 211000122010037. The reversal of 211000122010000 is 10221000112.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34449174 + ... + 40109173.

Almost surely, 2^{211000122010000} is an apocalyptic number.

211000122010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000122010000 is an abundant number, since it is smaller than the sum of its proper divisors (301657412403552).

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

211000122010000 is an equidigital number, since it uses as much as digits as its factorization.

211000122010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74558658 (or 74558637 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211000122010000 its reverse (10221000112), we get a palindrome (211010343010112).

The spelling of 211000122010000 in words is "two hundred eleven trillion, one hundred twenty-two million, ten thousand".