1000010011122 has 24 divisors (see below), whose sum is σ = 2169535546620. Its totient is φ = 332898641280.

The previous prime is 1000010011081. The next prime is 1000010011123. The reversal of 1000010011122 is 2211100100001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 602531460441 + 397478550681 = 776229^2 + 630459^2 .

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 (1000010011123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36488347 + ... + 36515742.

Almost surely, 2^{1000010011122} is an apocalyptic number.

1000010011122 is an abundant number, since it is smaller than the sum of its proper divisors (1169525535498).

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

1000010011122 is a wasteful number, since it uses less digits than its factorization.

1000010011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73004858 (or 73004855 counting only the distinct ones).

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

Adding to 1000010011122 its reverse (2211100100001), we get a palindrome (3211110111123).

The spelling of 1000010011122 in words is "one trillion, ten million, eleven thousand, one hundred twenty-two".