2222012011 has 4 divisors (see below), whose sum is σ = 2226575152. Its totient is φ = 2217448872.

The previous prime is 2222011993. The next prime is 2222012029. The reversal of 2222012011 is 1102102222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2222011993) and next prime (2222012029).

It is a cyclic number.

It is not a de Polignac number, because 2222012011 - 2¹¹ = 2222009963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222011982 and 2222012000.

It is not an unprimeable number, because it can be changed into a prime (2222012041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280840 + ... + 2281813.

It is an arithmetic number, because the mean of its divisors is an integer number (556643788).

Almost surely, 2^2222012011 is an apocalyptic number.

2222012011 is a deficient number, since it is larger than the sum of its proper divisors (4563141).

2222012011 is an equidigital number, since it uses as much as digits as its factorization.

2222012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563140.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2222012011 is about 47138.2223996620. Note that the first 3 decimals coincide. The cubic root of 2222012011 is about 1304.9147316365.

Adding to 2222012011 its reverse (1102102222), we get a palindrome (3324114233).

The spelling of 2222012011 in words is "two billion, two hundred twenty-two million, twelve thousand, eleven".