100001211311 has 4 divisors (see below), whose sum is σ = 101371090992. Its totient is φ = 98631331632.

The previous prime is 100001211307. The next prime is 100001211329. The reversal of 100001211311 is 113112100001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113112100001 = 193 ⋅586073057.

It is a cyclic number.

It is not a de Polignac number, because 100001211311 - 2² = 100001211307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100001211292 and 100001211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001211911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684939731 + ... + 684939876.

It is an arithmetic number, because the mean of its divisors is an integer number (25342772748).

Almost surely, 2^100001211311 is an apocalyptic number.

100001211311 is a deficient number, since it is larger than the sum of its proper divisors (1369879681).

100001211311 is an equidigital number, since it uses as much as digits as its factorization.

100001211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369879680.

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

Adding to 100001211311 its reverse (113112100001), we get a palindrome (213113311312).

The spelling of 100001211311 in words is "one hundred billion, one million, two hundred eleven thousand, three hundred eleven".