2011022222221 has 8 divisors (see below), whose sum is σ = 2039562713088. Its totient is φ = 1982487738000.

The previous prime is 2011022222219. The next prime is 2011022222227. The reversal of 2011022222221 is 1222222201102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011022222221 - 2¹ = 2011022222219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011022222227) 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, 825165 + ... + 2168626.

It is an arithmetic number, because the mean of its divisors is an integer number (254945339136).

Almost surely, 2^{2011022222221} is an apocalyptic number.

It is an amenable number.

2011022222221 is a deficient number, since it is larger than the sum of its proper divisors (28540490867).

2011022222221 is an equidigital number, since it uses as much as digits as its factorization.

2011022222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003323.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2011022222221 its reverse (1222222201102), we get a palindrome (3233244423323).

The spelling of 2011022222221 in words is "two trillion, eleven billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".