2011221011022 has 16 divisors (see below), whose sum is σ = 4043283692880. Its totient is φ = 666933391872.

The previous prime is 2011221010991. The next prime is 2011221011071. The reversal of 2011221011022 is 2201101221102.

It is a junction number, because it is equal to n+sod(n) for n = 2011221010992 and 2011221011010.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 868401697 + ... + 868404012.

It is an arithmetic number, because the mean of its divisors is an integer number (252705230805).

Almost surely, 2^{2011221011022} is an apocalyptic number.

2011221011022 is an abundant number, since it is smaller than the sum of its proper divisors (2032062681858).

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

2011221011022 is a wasteful number, since it uses less digits than its factorization.

2011221011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736805907.

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

Adding to 2011221011022 its reverse (2201101221102), we get a palindrome (4212322232124).

The spelling of 2011221011022 in words is "two trillion, eleven billion, two hundred twenty-one million, eleven thousand, twenty-two".