1011010122 has 48 divisors (see below), whose sum is σ = 2270268000. Its totient is φ = 324778272.

The previous prime is 1011010031. The next prime is 1011010123. The reversal of 1011010122 is 2210101101.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1011010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342529 + ... + 345467.

It is an arithmetic number, because the mean of its divisors is an integer number (47297250).

Almost surely, 2^1011010122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011010122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135134000).

1011010122 is an abundant number, since it is smaller than the sum of its proper divisors (1259257878).

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

1011010122 is a wasteful number, since it uses less digits than its factorization.

1011010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635 (or 3632 counting only the distinct ones).

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

The square root of 1011010122 is about 31796.3853606035. The cubic root of 1011010122 is about 1003.6566532558.

Adding to 1011010122 its reverse (2210101101), we get a palindrome (3221111223).

The spelling of 1011010122 in words is "one billion, eleven million, ten thousand, one hundred twenty-two".