211233020000 has 120 divisors (see below), whose sum is σ = 525027106296. Its totient is φ = 83621376000.

The previous prime is 211233019979. The next prime is 211233020023. The reversal of 211233020000 is 20332112.

It is a happy number.

It is a congruent number.

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, 1885559 + ... + 1994441.

Almost surely, 2^211233020000 is an apocalyptic number.

211233020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211233020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262513553148).

211233020000 is an abundant number, since it is smaller than the sum of its proper divisors (313794086296).

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

211233020000 is an equidigital number, since it uses as much as digits as its factorization.

211233020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109010 (or 108987 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 211233020000 its reverse (20332112), we get a palindrome (211253352112).

The spelling of 211233020000 in words is "two hundred eleven billion, two hundred thirty-three million, twenty thousand".