2222111000000 has 392 divisors, whose sum is σ = 5825415433728. Its totient is φ = 839664000000.

The previous prime is 2222110999987. The next prime is 2222111000023. The reversal of 2222111000000 is 1112222.

It is a happy number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1332999167 + ... + 1333000833.

Almost surely, 2^{2222111000000} is an apocalyptic number.

2222111000000 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 2222111000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2912707716864).

2222111000000 is an abundant number, since it is smaller than the sum of its proper divisors (3603304433728).

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

2222111000000 is an frugal number, since it uses more digits than its factorization.

2222111000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2222111000000 its reverse (1112222), we get a palindrome (2222112112222).

The spelling of 2222111000000 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million", and thus it is an aban number.