20010100112311 has 2 divisors, whose sum is σ = 20010100112312. Its totient is φ = 20010100112310.

The previous prime is 20010100112281. The next prime is 20010100112323. The reversal of 20010100112311 is 11321100101002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010100112311 - 2²⁵ = 20010066557879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010100112291 and 20010100112300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010100115311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005050056155 + 10005050056156.

It is an arithmetic number, because the mean of its divisors is an integer number (10005050056156).

Almost surely, 2^{20010100112311} is an apocalyptic number.

20010100112311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010100112311 is an equidigital number, since it uses as much as digits as its factorization.

20010100112311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20010100112311 its reverse (11321100101002), we get a palindrome (31331200213313).

The spelling of 20010100112311 in words is "twenty trillion, ten billion, one hundred million, one hundred twelve thousand, three hundred eleven".