2002112210121 has 8 divisors (see below), whose sum is σ = 2669877692640. Its totient is φ = 1334544100512.

The previous prime is 2002112210099. The next prime is 2002112210141. The reversal of 2002112210121 is 1210122112002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002112210121 - 2⁹ = 2002112209609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002112210121.

It is not an unprimeable number, because it can be changed into a prime (2002112210141) 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, 49319556 + ... + 49360133.

It is an arithmetic number, because the mean of its divisors is an integer number (333734711580).

Almost surely, 2^{2002112210121} is an apocalyptic number.

It is an amenable number.

2002112210121 is a deficient number, since it is larger than the sum of its proper divisors (667765482519).

2002112210121 is an equidigital number, since it uses as much as digits as its factorization.

2002112210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98686455.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2002112210121 its reverse (1210122112002), we get a palindrome (3212234322123).

The spelling of 2002112210121 in words is "two trillion, two billion, one hundred twelve million, two hundred ten thousand, one hundred twenty-one".