20020002102111 has 8 divisors (see below), whose sum is σ = 29120003057664. Its totient is φ = 12133334607320.

The previous prime is 20020002102043. The next prime is 20020002102119. The reversal of 20020002102111 is 11120120002002.

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 20020002102111 - 2¹⁵ = 20020002069343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020002102119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303333365151 + ... + 303333365216.

It is an arithmetic number, because the mean of its divisors is an integer number (3640000382208).

Almost surely, 2^{20020002102111} is an apocalyptic number.

20020002102111 is a deficient number, since it is larger than the sum of its proper divisors (9100000955553).

20020002102111 is a wasteful number, since it uses less digits than its factorization.

20020002102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606666730381.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020002102111 its reverse (11120120002002), we get a palindrome (31140122104113).

The spelling of 20020002102111 in words is "twenty trillion, twenty billion, two million, one hundred two thousand, one hundred eleven".