2002020100122 has 32 divisors (see below), whose sum is σ = 4581606223872. Its totient is φ = 571310707824.

The previous prime is 2002020100043. The next prime is 2002020100127. The reversal of 2002020100122 is 2210010202002.

It is a junction number, because it is equal to n+sod(n) for n = 2002020100098 and 2002020100107.

It is not an unprimeable number, because it can be changed into a prime (2002020100127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28924818 + ... + 28993949.

It is an arithmetic number, because the mean of its divisors is an integer number (143175194496).

Almost surely, 2^{2002020100122} is an apocalyptic number.

2002020100122 is an abundant number, since it is smaller than the sum of its proper divisors (2579586123750).

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

2002020100122 is a wasteful number, since it uses less digits than its factorization.

2002020100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57919602.

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

Adding to 2002020100122 its reverse (2210010202002), we get a palindrome (4212030302124).

The spelling of 2002020100122 in words is "two trillion, two billion, twenty million, one hundred thousand, one hundred twenty-two".