2102211222000 has 320 divisors, whose sum is σ = 6888080384640. Its totient is φ = 551485440000.

The previous prime is 2102211221959. The next prime is 2102211222017. The reversal of 2102211222000 is 2221122012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175632016 + ... + 175643984.

It is an arithmetic number, because the mean of its divisors is an integer number (21525251202).

Almost surely, 2^{2102211222000} is an apocalyptic number.

2102211222000 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 2102211222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3444040192320).

2102211222000 is an abundant number, since it is smaller than the sum of its proper divisors (4785869162640).

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

2102211222000 is a wasteful number, since it uses less digits than its factorization.

2102211222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12469 (or 12453 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102211222000 its reverse (2221122012), we get a palindrome (2104432344012).

The spelling of 2102211222000 in words is "two trillion, one hundred two billion, two hundred eleven million, two hundred twenty-two thousand".