1022112011 has 4 divisors (see below), whose sum is σ = 1075907400. Its totient is φ = 968316624.

The previous prime is 1022111999. The next prime is 1022112023. The reversal of 1022112011 is 1102112201.

1022112011 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: 1102112201 = 29 ⋅38003869.

It is an interprime number because it is at equal distance from previous prime (1022111999) and next prime (1022112023).

It is a cyclic number.

It is not a de Polignac number, because 1022112011 - 2⁶ = 1022111947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022111983 and 1022112001.

It is not an unprimeable number, because it can be changed into a prime (1022112031) 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, 26897666 + ... + 26897703.

It is an arithmetic number, because the mean of its divisors is an integer number (268976850).

Almost surely, 2^1022112011 is an apocalyptic number.

1022112011 is a deficient number, since it is larger than the sum of its proper divisors (53795389).

1022112011 is an equidigital number, since it uses as much as digits as its factorization.

1022112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53795388.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1022112011 is about 31970.4865618276. The cubic root of 1022112011 is about 1007.3170012457.

Adding to 1022112011 its reverse (1102112201), we get a palindrome (2124224212).

The spelling of 1022112011 in words is "one billion, twenty-two million, one hundred twelve thousand, eleven".