2222121011 has 16 divisors (see below), whose sum is σ = 2531236608. Its totient is φ = 1930975200.

The previous prime is 2222121007. The next prime is 2222121053. The reversal of 2222121011 is 1101212222.

It is not a de Polignac number, because 2222121011 - 2² = 2222121007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222121091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736496 + ... + 739506.

It is an arithmetic number, because the mean of its divisors is an integer number (158202288).

Almost surely, 2^2222121011 is an apocalyptic number.

2222121011 is a deficient number, since it is larger than the sum of its proper divisors (309115597).

2222121011 is a wasteful number, since it uses less digits than its factorization.

2222121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962.

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

The square root of 2222121011 is about 47139.3785597562. The cubic root of 2222121011 is about 1304.9360686619.

Adding to 2222121011 its reverse (1101212222), we get a palindrome (3323333233).

The spelling of 2222121011 in words is "two billion, two hundred twenty-two million, one hundred twenty-one thousand, eleven".