211111003020000 has 120 divisors (see below), whose sum is σ = 692486312303016. Its totient is φ = 56296267456000.

The previous prime is 211111003019999. The next prime is 211111003020007. The reversal of 211111003020000 is 20300111112.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×211111003020000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211111003020007) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1759198359 + ... + 1759318358.

Almost surely, 2^{211111003020000} is an apocalyptic number.

211111003020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211111003020000 is an abundant number, since it is smaller than the sum of its proper divisors (481375309283016).

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

211111003020000 is an equidigital number, since it uses as much as digits as its factorization.

211111003020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518516750 (or 3518516727 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 211111003020000 its reverse (20300111112), we get a palindrome (211131303131112).

The spelling of 211111003020000 in words is "two hundred eleven trillion, one hundred eleven billion, three million, twenty thousand".