2002103322121 has 32 divisors (see below), whose sum is σ = 2528684144640. Its totient is φ = 1545541772544.

The previous prime is 2002103322119. The next prime is 2002103322151. The reversal of 2002103322121 is 1212233012002.

It is not a de Polignac number, because 2002103322121 - 2¹ = 2002103322119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002103322151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509040 + ... + 2506273.

It is an arithmetic number, because the mean of its divisors is an integer number (79021379520).

Almost surely, 2^{2002103322121} is an apocalyptic number.

It is an amenable number.

2002103322121 is a deficient number, since it is larger than the sum of its proper divisors (526580822519).

2002103322121 is a wasteful number, since it uses less digits than its factorization.

2002103322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015525.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2002103322121 its reverse (1212233012002), we get a palindrome (3214336334123).

The spelling of 2002103322121 in words is "two trillion, two billion, one hundred three million, three hundred twenty-two thousand, one hundred twenty-one".