1022111012 has 24 divisors (see below), whose sum is σ = 1931487096. Its totient is φ = 470469888.

The previous prime is 1022110993. The next prime is 1022111047. The reversal of 1022111012 is 2101112201.

1022111012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 272118016 + 749992996 = 16496^2 + 27386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022110984 and 1022111002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6953 + ... + 45744.

It is an arithmetic number, because the mean of its divisors is an integer number (80478629).

Almost surely, 2^1022111012 is an apocalyptic number.

It is an amenable number.

1022111012 is a deficient number, since it is larger than the sum of its proper divisors (909376084).

1022111012 is a wasteful number, since it uses less digits than its factorization.

1022111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53087 (or 53085 counting only the distinct ones).

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

The square root of 1022111012 is about 31970.4709380391. The cubic root of 1022111012 is about 1007.3166730657.

Adding to 1022111012 its reverse (2101112201), we get a palindrome (3123223213).

The spelling of 1022111012 in words is "one billion, twenty-two million, one hundred eleven thousand, twelve".