20010112103311 has 16 divisors (see below), whose sum is σ = 23164382488320. Its totient is φ = 17105180561920.

The previous prime is 20010112103291. The next prime is 20010112103389. The reversal of 20010112103311 is 11330121101002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20010112103311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010112103011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670250770 + ... + 670280623.

It is an arithmetic number, because the mean of its divisors is an integer number (1447773905520).

Almost surely, 2^{20010112103311} is an apocalyptic number.

20010112103311 is a deficient number, since it is larger than the sum of its proper divisors (3154270385009).

20010112103311 is a wasteful number, since it uses less digits than its factorization.

20010112103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340531486.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 20010112103311 its reverse (11330121101002), we get a palindrome (31340233204313).

The spelling of 20010112103311 in words is "twenty trillion, ten billion, one hundred twelve million, one hundred three thousand, three hundred eleven".