1002002112122 has 32 divisors (see below), whose sum is σ = 1665498723840. Its totient is φ = 448318379520.

The previous prime is 1002002112119. The next prime is 1002002112151. The reversal of 1002002112122 is 2212112002001.

It is a junction number, because it is equal to n+sod(n) for n = 1002002112097 and 1002002112106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710783 + ... + 1584050.

It is an arithmetic number, because the mean of its divisors is an integer number (52046835120).

Almost surely, 2^{1002002112122} is an apocalyptic number.

1002002112122 is a deficient number, since it is larger than the sum of its proper divisors (663496611718).

1002002112122 is a wasteful number, since it uses less digits than its factorization.

1002002112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295158.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002002112122 its reverse (2212112002001), we get a palindrome (3214114114123).

The spelling of 1002002112122 in words is "one trillion, two billion, two million, one hundred twelve thousand, one hundred twenty-two".