10000211212111 has 4 divisors (see below), whose sum is σ = 10141059257424. Its totient is φ = 9859363166800.

The previous prime is 10000211212073. The next prime is 10000211212231. The reversal of 10000211212111 is 11121211200001.

It is a happy number.

10000211212111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10000211212111 - 2¹³ = 10000211203919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000211212091 and 10000211212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000211216111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70424022550 + ... + 70424022691.

It is an arithmetic number, because the mean of its divisors is an integer number (2535264814356).

Almost surely, 2^{10000211212111} is an apocalyptic number.

10000211212111 is a deficient number, since it is larger than the sum of its proper divisors (140848045313).

10000211212111 is an equidigital number, since it uses as much as digits as its factorization.

10000211212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140848045312.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10000211212111 its reverse (11121211200001), we get a palindrome (21121422412112).

The spelling of 10000211212111 in words is "ten trillion, two hundred eleven million, two hundred twelve thousand, one hundred eleven".