2222121222011 has 8 divisors (see below), whose sum is σ = 2237170467840. Its totient is φ = 2207117374632.

The previous prime is 2222121221987. The next prime is 2222121222023. The reversal of 2222121222011 is 1102221212222.

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 2222121222011 - 2²² = 2222117027707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222121222031) 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, 11251385 + ... + 11447178.

It is an arithmetic number, because the mean of its divisors is an integer number (279646308480).

Almost surely, 2^{2222121222011} is an apocalyptic number.

2222121222011 is a deficient number, since it is larger than the sum of its proper divisors (15049245829).

2222121222011 is a wasteful number, since it uses less digits than its factorization.

2222121222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22699225.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2222121222011 its reverse (1102221212222), we get a palindrome (3324342434233).

The spelling of 2222121222011 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, eleven".