20111102032331 has 8 divisors (see below), whose sum is σ = 20490632468064. Its totient is φ = 19731574399680.

The previous prime is 20111102032261. The next prime is 20111102032451. The reversal of 20111102032331 is 13323020111102.

It is a happy number.

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 20111102032331 - 2²⁶ = 20111034923467 is a prime.

It is a super-2 number, since 2×20111102032331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111102032831) 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, 18917546 + ... + 19952336.

It is an arithmetic number, because the mean of its divisors is an integer number (2561329058508).

Almost surely, 2^{20111102032331} is an apocalyptic number.

20111102032331 is a deficient number, since it is larger than the sum of its proper divisors (379530435733).

20111102032331 is a wasteful number, since it uses less digits than its factorization.

20111102032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401541.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20111102032331 its reverse (13323020111102), we get a palindrome (33434122143433).

The spelling of 20111102032331 in words is "twenty trillion, one hundred eleven billion, one hundred two million, thirty-two thousand, three hundred thirty-one".