10000011212111 has 4 divisors (see below), whose sum is σ = 10007769174000. Its totient is φ = 9992253250224.

The previous prime is 10000011212089. The next prime is 10000011212123. The reversal of 10000011212111 is 11121211000001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10000011212111 - 2³⁴ = 9982831342927 is a prime.

It is a super-2 number, since 2×10000011212111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000011212092 and 10000011212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000011211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878979011 + ... + 3878981588.

It is an arithmetic number, because the mean of its divisors is an integer number (2501942293500).

Almost surely, 2^{10000011212111} is an apocalyptic number.

10000011212111 is a deficient number, since it is larger than the sum of its proper divisors (7757961889).

10000011212111 is an equidigital number, since it uses as much as digits as its factorization.

10000011212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757961888.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10000011212111 its reverse (11121211000001), we get a palindrome (21121222212112).

The spelling of 10000011212111 in words is "ten trillion, eleven million, two hundred twelve thousand, one hundred eleven".