1002022121122 has 32 divisors (see below), whose sum is σ = 1660605235200. Its totient is φ = 449651202000.

The previous prime is 1002022121119. The next prime is 1002022121131. The reversal of 1002022121122 is 2211212202001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002022121096 and 1002022121105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19994997 + ... + 20045047.

It is an arithmetic number, because the mean of its divisors is an integer number (51893913600).

Almost surely, 2^{1002022121122} is an apocalyptic number.

1002022121122 is a deficient number, since it is larger than the sum of its proper divisors (658583114078).

1002022121122 is a wasteful number, since it uses less digits than its factorization.

1002022121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61662.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1002022121122 its reverse (2211212202001), we get a palindrome (3213234323123).

The spelling of 1002022121122 in words is "one trillion, two billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".