2011001022212 has 72 divisors (see below), whose sum is σ = 4409748383040. Its totient is φ = 795377620800.

The previous prime is 2011001022187. The next prime is 2011001022241. The reversal of 2011001022212 is 2122201001102.

It is a super-2 number, since 2×2011001022212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11252489 + ... + 11429807.

It is an arithmetic number, because the mean of its divisors is an integer number (61246505320).

Almost surely, 2^{2011001022212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011001022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204874191520).

2011001022212 is an abundant number, since it is smaller than the sum of its proper divisors (2398747360828).

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

2011001022212 is a wasteful number, since it uses less digits than its factorization.

2011001022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181801 (or 181792 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011001022212 its reverse (2122201001102), we get a palindrome (4133202023314).

The spelling of 2011001022212 in words is "two trillion, eleven billion, one million, twenty-two thousand, two hundred twelve".