20010100011311 has 8 divisors (see below), whose sum is σ = 20021344049664. Its totient is φ = 19998857755800.

The previous prime is 20010100011283. The next prime is 20010100011323. The reversal of 20010100011311 is 11311000101002.

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 a de Polignac number, because none of the positive numbers 2^k-20010100011311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010100011292 and 20010100011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010100011361) 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, 22334336 + ... + 23212986.

It is an arithmetic number, because the mean of its divisors is an integer number (2502668006208).

Almost surely, 2^{20010100011311} is an apocalyptic number.

20010100011311 is a deficient number, since it is larger than the sum of its proper divisors (11244038353).

20010100011311 is a wasteful number, since it uses less digits than its factorization.

20010100011311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891421.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 20010100011311 its reverse (11311000101002), we get a palindrome (31321100112313).

The spelling of 20010100011311 in words is "twenty trillion, ten billion, one hundred million, eleven thousand, three hundred eleven".