1011122010 has 24 divisors (see below), whose sum is σ = 2628917460. Its totient is φ = 269632512.

The previous prime is 1011121997. The next prime is 1011122011. The reversal of 1011122010 is 102211101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1007237169 + 3884841 = 31737^2 + 1971^2 .

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 = 1011121983 and 1011122001.

It is not an unprimeable number, because it can be changed into a prime (1011122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5617255 + ... + 5617434.

Almost surely, 2^1011122010 is an apocalyptic number.

1011122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011122010 is an abundant number, since it is smaller than the sum of its proper divisors (1617795450).

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

1011122010 is a wasteful number, since it uses less digits than its factorization.

1011122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11234702 (or 11234699 counting only the distinct ones).

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

The square root of 1011122010 is about 31798.1447572024. The cubic root of 1011122010 is about 1003.6936766218.

Adding to 1011122010 its reverse (102211101), we get a palindrome (1113333111).

The spelling of 1011122010 in words is "one billion, eleven million, one hundred twenty-two thousand, ten".