20111332013311 has 32 divisors (see below), whose sum is σ = 25204519498752. Its totient is φ = 15589532232960.

The previous prime is 20111332013303. The next prime is 20111332013317. The reversal of 20111332013311 is 11331023311102.

It is not a de Polignac number, because 20111332013311 - 2³ = 20111332013303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111332013317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118491270 + ... + 118660876.

It is an arithmetic number, because the mean of its divisors is an integer number (787641234336).

Almost surely, 2^{20111332013311} is an apocalyptic number.

20111332013311 is a deficient number, since it is larger than the sum of its proper divisors (5093187485441).

20111332013311 is a wasteful number, since it uses less digits than its factorization.

20111332013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177639.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20111332013311 its reverse (11331023311102), we get a palindrome (31442355324413).

The spelling of 20111332013311 in words is "twenty trillion, one hundred eleven billion, three hundred thirty-two million, thirteen thousand, three hundred eleven".