1002100120122 has 16 divisors (see below), whose sum is σ = 2004344521632. Its totient is φ = 334009326480.

The previous prime is 1002100120121. The next prime is 1002100120123. The reversal of 1002100120122 is 2210210012001.

1002100120122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1002100120121) and next prime (1002100120123).

It is a junction number, because it is equal to n+sod(n) for n = 1002100120098 and 1002100120107.

It is not an unprimeable number, because it can be changed into a prime (1002100120121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5921329 + ... + 6088212.

It is an arithmetic number, because the mean of its divisors is an integer number (125271532602).

Almost surely, 2^{1002100120122} is an apocalyptic number.

1002100120122 is an abundant number, since it is smaller than the sum of its proper divisors (1002244401510).

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

1002100120122 is a wasteful number, since it uses less digits than its factorization.

1002100120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023453.

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

Adding to 1002100120122 its reverse (2210210012001), we get a palindrome (3212310132123).

The spelling of 1002100120122 in words is "one trillion, two billion, one hundred million, one hundred twenty thousand, one hundred twenty-two".