20001002111102 has 8 divisors (see below), whose sum is σ = 30081936152136. Its totient is φ = 9973690060392.

The previous prime is 20001002111047. The next prime is 20001002111113. The reversal of 20001002111102 is 20111120010002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13405496648 + ... + 13405498139.

It is an arithmetic number, because the mean of its divisors is an integer number (3760242019017).

Almost surely, 2^{20001002111102} is an apocalyptic number.

20001002111102 is a deficient number, since it is larger than the sum of its proper divisors (10080934041034).

20001002111102 is a wasteful number, since it uses less digits than its factorization.

20001002111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26810995162.

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

Adding to 20001002111102 its reverse (20111120010002), we get a palindrome (40112122121104).

The spelling of 20001002111102 in words is "twenty trillion, one billion, two million, one hundred eleven thousand, one hundred two".