2002112012021 has 8 divisors (see below), whose sum is σ = 2185486437888. Its totient is φ = 1818964960000.

The previous prime is 2002112011937. The next prime is 2002112012083. The reversal of 2002112012021 is 1202102112002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002112012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002112011987 and 2002112012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002112012321) 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, 56825045 + ... + 56860266.

It is an arithmetic number, because the mean of its divisors is an integer number (273185804736).

Almost surely, 2^{2002112012021} is an apocalyptic number.

It is an amenable number.

2002112012021 is a deficient number, since it is larger than the sum of its proper divisors (183374425867).

2002112012021 is a wasteful number, since it uses less digits than its factorization.

2002112012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113686923.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002112012021 its reverse (1202102112002), we get a palindrome (3204214124023).

The spelling of 2002112012021 in words is "two trillion, two billion, one hundred twelve million, twelve thousand, twenty-one".