1022111010 has 24 divisors (see below), whose sum is σ = 2657488860. Its totient is φ = 272562912.

The previous prime is 1022110993. The next prime is 1022111047. The reversal of 1022111010 is 101112201.

It is a happy number.

1022111010 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 2 ways, for example, as 1004192721 + 17918289 = 31689^2 + 4233^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1022110983 and 1022111001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5678305 + ... + 5678484.

Almost surely, 2^1022111010 is an apocalyptic number.

1022111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022111010 is an abundant number, since it is smaller than the sum of its proper divisors (1635377850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022111010 is a wasteful number, since it uses less digits than its factorization.

1022111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356802 (or 11356799 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1022111010 is about 31970.4709067602. The cubic root of 1022111010 is about 1007.3166724087.

Adding to 1022111010 its reverse (101112201), we get a palindrome (1123223211).

It can be divided in two parts, 102 and 2111010, that added together give a palindrome (2111112).

The spelling of 1022111010 in words is "one billion, twenty-two million, one hundred eleven thousand, ten".