22011111111101 has 8 divisors (see below), whose sum is σ = 25155723662784. Its totient is φ = 18866540586240.

The previous prime is 22011111111053. The next prime is 22011111111131. The reversal of 22011111111101 is 10111111111022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22011111111101 - 2¹⁸ = 22011110848957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011111111131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9376295 + ... + 11486388.

It is an arithmetic number, because the mean of its divisors is an integer number (3144465457848).

Almost surely, 2^{22011111111101} is an apocalyptic number.

It is an amenable number.

22011111111101 is a deficient number, since it is larger than the sum of its proper divisors (3144612551683).

22011111111101 is a wasteful number, since it uses less digits than its factorization.

22011111111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013411.

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

Adding to 22011111111101 its reverse (10111111111022), we get a palindrome (32122222222123).

The spelling of 22011111111101 in words is "twenty-two trillion, eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred one".