1000222210000 has 200 divisors, whose sum is σ = 2639367007200. Its totient is φ = 364859328000.

The previous prime is 1000222209997. The next prime is 1000222210003. The reversal of 1000222210000 is 122220001.

It is an interprime number because it is at equal distance from previous prime (1000222209997) and next prime (1000222210003).

It is a tau number, because it is divible by the number of its divisors (200).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222210003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10743651 + ... + 10836349.

It is an arithmetic number, because the mean of its divisors is an integer number (13196835036).

Almost surely, 2^{1000222210000} is an apocalyptic number.

1000222210000 is a gapful number since it is divisible by the number (10) 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 1000222210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319683503600).

1000222210000 is an abundant number, since it is smaller than the sum of its proper divisors (1639144797200).

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

1000222210000 is an equidigital number, since it uses as much as digits as its factorization.

1000222210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92823 (or 92802 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1000222210000 its reverse (122220001), we get a palindrome (1000344430001).

The spelling of 1000222210000 in words is "one trillion, two hundred twenty-two million, two hundred ten thousand".