1002002110122 has 32 divisors (see below), whose sum is σ = 2208348128448. Its totient is φ = 301138379136.

The previous prime is 1002002110121. The next prime is 1002002110147. The reversal of 1002002110122 is 2210112002001.

It is a super-2 number, since 2×1002002110122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002002110098 and 1002002110107.

It is not an unprimeable number, because it can be changed into a prime (1002002110121) 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, 149370843 + ... + 149377550.

It is an arithmetic number, because the mean of its divisors is an integer number (69010879014).

Almost surely, 2^{1002002110122} is an apocalyptic number.

1002002110122 is an abundant number, since it is smaller than the sum of its proper divisors (1206346018326).

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

1002002110122 is a wasteful number, since it uses less digits than its factorization.

1002002110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298748454.

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

Adding to 1002002110122 its reverse (2210112002001), we get a palindrome (3212114112123).

The spelling of 1002002110122 in words is "one trillion, two billion, two million, one hundred ten thousand, one hundred twenty-two".