11221110100111 has 4 divisors (see below), whose sum is σ = 11221141233952. Its totient is φ = 11221078966272.

The previous prime is 11221110100027. The next prime is 11221110100127. The reversal of 11221110100111 is 11100101112211.

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 11221110100111 - 2¹¹ = 11221110098063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221110100091 and 11221110100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221110107111) 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, 15019890 + ... + 15749263.

It is an arithmetic number, because the mean of its divisors is an integer number (2805285308488).

Almost surely, 2^{11221110100111} is an apocalyptic number.

11221110100111 is a deficient number, since it is larger than the sum of its proper divisors (31133841).

11221110100111 is an equidigital number, since it uses as much as digits as its factorization.

11221110100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31133840.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11221110100111 its reverse (11100101112211), we get a palindrome (22321211212322).

The spelling of 11221110100111 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, one hundred thousand, one hundred eleven".