2002101110021 has 8 divisors (see below), whose sum is σ = 2036059808640. Its totient is φ = 1968143237568.

The previous prime is 2002101110017. The next prime is 2002101110041. The reversal of 2002101110021 is 1200111012002.

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 2002101110021 - 2² = 2002101110017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002101109984 and 2002101110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002101110041) 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, 6526925 + ... + 6826781.

It is an arithmetic number, because the mean of its divisors is an integer number (254507476080).

Almost surely, 2^{2002101110021} is an apocalyptic number.

It is an amenable number.

2002101110021 is a deficient number, since it is larger than the sum of its proper divisors (33958698619).

2002101110021 is a wasteful number, since it uses less digits than its factorization.

2002101110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413083.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2002101110021 its reverse (1200111012002), we get a palindrome (3202212122023).

The spelling of 2002101110021 in words is "two trillion, two billion, one hundred one million, one hundred ten thousand, twenty-one".