2011522217210 has 64 divisors (see below), whose sum is σ = 4058503449984. Its totient is φ = 711368582400.

The previous prime is 2011522217191. The next prime is 2011522217227. The reversal of 2011522217210 is 127122251102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011522217210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8895245 + ... + 9118575.

It is an arithmetic number, because the mean of its divisors is an integer number (63414116406).

Almost surely, 2^{2011522217210} is an apocalyptic number.

2011522217210 is an abundant number, since it is smaller than the sum of its proper divisors (2046981232774).

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

2011522217210 is a wasteful number, since it uses less digits than its factorization.

2011522217210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225599.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 2011522217210 its reverse (127122251102), we get a palindrome (2138644468312).

The spelling of 2011522217210 in words is "two trillion, eleven billion, five hundred twenty-two million, two hundred seventeen thousand, two hundred ten".