2011022221002 has 16 divisors (see below), whose sum is σ = 4022064443712. Its totient is φ = 670337406720.

The previous prime is 2011022221001. The next prime is 2011022221031. The reversal of 2011022221002 is 2001222201102.

It is not an unprimeable number, because it can be changed into a prime (2011022221001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687018 + ... + 2119914.

It is an arithmetic number, because the mean of its divisors is an integer number (251379027732).

Almost surely, 2^{2011022221002} is an apocalyptic number.

2011022221002 is an abundant number, since it is smaller than the sum of its proper divisors (2011042222710).

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

2011022221002 is a wasteful number, since it uses less digits than its factorization.

2011022221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666813.

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

Adding to 2011022221002 its reverse (2001222201102), we get a palindrome (4012244422104).

The spelling of 2011022221002 in words is "two trillion, eleven billion, twenty-two million, two hundred twenty-one thousand, two".