2011022221022 has 48 divisors (see below), whose sum is σ = 3225201492240. Its totient is φ = 940237135872.

The previous prime is 2011022221001. The next prime is 2011022221031. The reversal of 2011022221022 is 2201222201102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 88897229 + ... + 88919847.

It is an arithmetic number, because the mean of its divisors is an integer number (67191697755).

Almost surely, 2^{2011022221022} is an apocalyptic number.

2011022221022 is a deficient number, since it is larger than the sum of its proper divisors (1214179271218).

2011022221022 is a wasteful number, since it uses less digits than its factorization.

2011022221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23645 (or 23628 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2011022221022 its reverse (2201222201102), we get a palindrome (4212244422124).

The spelling of 2011022221022 in words is "two trillion, eleven billion, twenty-two million, two hundred twenty-one thousand, twenty-two".