1002002020122 has 32 divisors (see below), whose sum is σ = 2019908911104. Its totient is φ = 331350188400.

The previous prime is 1002002020121. The next prime is 1002002020157. The reversal of 1002002020122 is 2210202002001.

It is a junction number, because it is equal to n+sod(n) for n = 1002002020098 and 1002002020107.

It is not an unprimeable number, because it can be changed into a prime (1002002020121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16818847 + ... + 16878317.

It is an arithmetic number, because the mean of its divisors is an integer number (63122153472).

Almost surely, 2^{1002002020122} is an apocalyptic number.

1002002020122 is an abundant number, since it is smaller than the sum of its proper divisors (1017906890982).

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

1002002020122 is a wasteful number, since it uses less digits than its factorization.

1002002020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81714.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1002002020122 its reverse (2210202002001), we get a palindrome (3212204022123).

The spelling of 1002002020122 in words is "one trillion, two billion, two million, twenty thousand, one hundred twenty-two".