2211002211210 has 128 divisors (see below), whose sum is σ = 5784767815680. Its totient is φ = 537600623616.

The previous prime is 2211002211199. The next prime is 2211002211281. The reversal of 2211002211210 is 121122001122.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211002211210.

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, 11244904 + ... + 11439836.

It is an arithmetic number, because the mean of its divisors is an integer number (45193498560).

Almost surely, 2^{2211002211210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211002211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2892383907840).

2211002211210 is an abundant number, since it is smaller than the sum of its proper divisors (3573765604470).

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

2211002211210 is a wasteful number, since it uses less digits than its factorization.

2211002211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195312.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211002211210 its reverse (121122001122), we get a palindrome (2332124212332).

The spelling of 2211002211210 in words is "two trillion, two hundred eleven billion, two million, two hundred eleven thousand, two hundred ten".