2002012002121 has 8 divisors (see below), whose sum is σ = 2015406309888. Its totient is φ = 1988648034000.

The previous prime is 2002012002119. The next prime is 2002012002143. The reversal of 2002012002121 is 1212002102002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2002012002121 - 2¹ = 2002012002119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002012002161) 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, 7452490 + ... + 7716451.

It is an arithmetic number, because the mean of its divisors is an integer number (251925788736).

Almost surely, 2^{2002012002121} is an apocalyptic number.

It is an amenable number.

2002012002121 is a deficient number, since it is larger than the sum of its proper divisors (13394307767).

2002012002121 is a wasteful number, since it uses less digits than its factorization.

2002012002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169823.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002012002121 its reverse (1212002102002), we get a palindrome (3214014104123).

The spelling of 2002012002121 in words is "two trillion, two billion, twelve million, two thousand, one hundred twenty-one".