10011111112211 has 4 divisors (see below), whose sum is σ = 10921212122424. Its totient is φ = 9101010102000.

The previous prime is 10011111112157. The next prime is 10011111112217. The reversal of 10011111112211 is 11221111111001.

10011111112211 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 10011111112211 - 2¹⁸ = 10011110850067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10011111112217) 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, 455050505090 + ... + 455050505111.

It is an arithmetic number, because the mean of its divisors is an integer number (2730303030606).

Almost surely, 2^{10011111112211} is an apocalyptic number.

10011111112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10011111112211 is a deficient number, since it is larger than the sum of its proper divisors (910101010213).

10011111112211 is an equidigital number, since it uses as much as digits as its factorization.

10011111112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910101010212.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 10011111112211 its reverse (11221111111001), we get a palindrome (21232222223212).

The spelling of 10011111112211 in words is "ten trillion, eleven billion, one hundred eleven million, one hundred twelve thousand, two hundred eleven".