1012222011 has 4 divisors (see below), whose sum is σ = 1349629352. Its totient is φ = 674814672.

The previous prime is 1012221971. The next prime is 1012222027. The reversal of 1012222011 is 1102222101.

1012222011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1102222101 = 3 ⋅367407367.

It is not a de Polignac number, because 1012222011 - 2⁷ = 1012221883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012222711) 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, 168703666 + ... + 168703671.

It is an arithmetic number, because the mean of its divisors is an integer number (337407338).

Almost surely, 2^1012222011 is an apocalyptic number.

1012222011 is a deficient number, since it is larger than the sum of its proper divisors (337407341).

1012222011 is an equidigital number, since it uses as much as digits as its factorization.

1012222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337407340.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1012222011 is about 31815.4366778141. The cubic root of 1012222011 is about 1004.0575179479.

Adding to 1012222011 its reverse (1102222101), we get a palindrome (2114444112).

The spelling of 1012222011 in words is "one billion, twelve million, two hundred twenty-two thousand, eleven".