11012211010111 has 4 divisors (see below), whose sum is σ = 11018096747424. Its totient is φ = 11006325272800.

The previous prime is 11012211010109. The next prime is 11012211010117. The reversal of 11012211010111 is 11101011221011.

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 11012211010111 - 2¹ = 11012211010109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012211010091 and 11012211010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012211010117) 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, 2942865850 + ... + 2942869591.

It is an arithmetic number, because the mean of its divisors is an integer number (2754524186856).

Almost surely, 2^{11012211010111} is an apocalyptic number.

11012211010111 is a deficient number, since it is larger than the sum of its proper divisors (5885737313).

11012211010111 is an equidigital number, since it uses as much as digits as its factorization.

11012211010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885737312.

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

Adding to 11012211010111 its reverse (11101011221011), we get a palindrome (22113222231122).

The spelling of 11012211010111 in words is "eleven trillion, twelve billion, two hundred eleven million, ten thousand, one hundred eleven".