2211202120000 has 280 divisors, whose sum is σ = 5571905900616. Its totient is φ = 870211584000.

The previous prime is 2211202119977. The next prime is 2211202120013. The reversal of 2211202120000 is 212021122.

It is a happy number.

It can be written as a sum of positive squares in 20 ways, for example, as 2041629468736 + 169572651264 = 1428856^2 + 411792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1731559362 + ... + 1731560638.

Almost surely, 2^{2211202120000} is an apocalyptic number.

2211202120000 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 2211202120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785952950308).

2211202120000 is an abundant number, since it is smaller than the sum of its proper divisors (3360703780616).

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

2211202120000 is an equidigital number, since it uses as much as digits as its factorization.

2211202120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2211202120000 its reverse (212021122), we get a palindrome (2211414141122).

The spelling of 2211202120000 in words is "two trillion, two hundred eleven billion, two hundred two million, one hundred twenty thousand".