201111100220011 has 4 divisors (see below), whose sum is σ = 202442961811024. Its totient is φ = 199779238629000.

The previous prime is 201111100219949. The next prime is 201111100220081. The reversal of 201111100220011 is 110022001111102.

It is a happy number.

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 201111100220011 - 2⁹ = 201111100219499 is a prime.

It is a super-3 number, since 3×201111100220011³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201111100219973 and 201111100220000.

It is not an unprimeable number, because it can be changed into a prime (201111100220081) 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, 665930795280 + ... + 665930795581.

It is an arithmetic number, because the mean of its divisors is an integer number (50610740452756).

Almost surely, 2^{201111100220011} is an apocalyptic number.

201111100220011 is a deficient number, since it is larger than the sum of its proper divisors (1331861591013).

201111100220011 is a wasteful number, since it uses less digits than its factorization.

201111100220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331861591012.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201111100220011 its reverse (110022001111102), we get a palindrome (311133101331113).

The spelling of 201111100220011 in words is "two hundred one trillion, one hundred eleven billion, one hundred million, two hundred twenty thousand, eleven".