1002112122 has 16 divisors (see below), whose sum is σ = 2186426592. Its totient is φ = 303670320.

The previous prime is 1002112121. The next prime is 1002112123. The reversal of 1002112122 is 2212112001.

It is an interprime number because it is at equal distance from previous prime (1002112121) and next prime (1002112123).

It is a junction number, because it is equal to n+sod(n) for n = 1002112098 and 1002112107.

It is not an unprimeable number, because it can be changed into a prime (1002112121) 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 7 ways as a sum of consecutive naturals, for example, 7591693 + ... + 7591824.

It is an arithmetic number, because the mean of its divisors is an integer number (136651662).

Almost surely, 2^1002112122 is an apocalyptic number.

1002112122 is an abundant number, since it is smaller than the sum of its proper divisors (1184314470).

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

1002112122 is a wasteful number, since it uses less digits than its factorization.

1002112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15183533.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1002112122 is about 31656.1545674771. The cubic root of 1002112122 is about 1000.7035455742.

Adding to 1002112122 its reverse (2212112001), we get a palindrome (3214224123).

The spelling of 1002112122 in words is "one billion, two million, one hundred twelve thousand, one hundred twenty-two".