2221110212000 has 192 divisors, whose sum is σ = 5531158773504. Its totient is φ = 876446438400.

The previous prime is 2221110211993. The next prime is 2221110212003. The reversal of 2221110212000 is 2120111222.

It is not an unprimeable number, because it can be changed into a prime (2221110212003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243351437 + ... + 243360563.

It is an arithmetic number, because the mean of its divisors is an integer number (28808118612).

Almost surely, 2^{2221110212000} is an apocalyptic number.

2221110212000 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 2221110212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2765579386752).

2221110212000 is an abundant number, since it is smaller than the sum of its proper divisors (3310048561504).

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

2221110212000 is an equidigital number, since it uses as much as digits as its factorization.

2221110212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968 (or 9950 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221110212000 its reverse (2120111222), we get a palindrome (2223230323222).

The spelling of 2221110212000 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, two hundred twelve thousand".