11112101011211 has 4 divisors (see below), whose sum is σ = 11219985487152. Its totient is φ = 11004216535272.

The previous prime is 11112101011189. The next prime is 11112101011241. The reversal of 11112101011211 is 11211010121111.

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 11112101011211 - 2⁶ = 11112101011147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112101011241) 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, 53942237816 + ... + 53942238021.

It is an arithmetic number, because the mean of its divisors is an integer number (2804996371788).

Almost surely, 2^{11112101011211} is an apocalyptic number.

11112101011211 is a deficient number, since it is larger than the sum of its proper divisors (107884475941).

11112101011211 is a wasteful number, since it uses less digits than its factorization.

11112101011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107884475940.

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

Adding to 11112101011211 its reverse (11211010121111), we get a palindrome (22323111132322).

The spelling of 11112101011211 in words is "eleven trillion, one hundred twelve billion, one hundred one million, eleven thousand, two hundred eleven".