2221211202000 has 320 divisors, whose sum is σ = 8306374262784. Its totient is φ = 500127091200.

The previous prime is 2221211201981. The next prime is 2221211202031. The reversal of 2221211202000 is 2021121222.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2419329 + ... + 3208671.

Almost surely, 2^{2221211202000} is an apocalyptic number.

2221211202000 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 2221211202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4153187131392).

2221211202000 is an abundant number, since it is smaller than the sum of its proper divisors (6085163060784).

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

2221211202000 is a wasteful number, since it uses less digits than its factorization.

2221211202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789443 (or 789427 counting only the distinct ones).

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

Adding to 2221211202000 its reverse (2021121222), we get a palindrome (2223232323222).

The spelling of 2221211202000 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred two thousand".