111121220210011 has 8 divisors (see below), whose sum is σ = 121447221691248. Its totient is φ = 100832564124000.

The previous prime is 111121220209969. The next prime is 111121220210069. The reversal of 111121220210011 is 110012022121111.

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 111121220210011 - 2²⁷ = 111121085992283 is a prime.

It is a super-3 number, since 3×111121220210011³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111121220210071) 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, 9336342580 + ... + 9336354481.

It is an arithmetic number, because the mean of its divisors is an integer number (15180902711406).

Almost surely, 2^{111121220210011} is an apocalyptic number.

111121220210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111121220210011 is a deficient number, since it is larger than the sum of its proper divisors (10326001481237).

111121220210011 is a wasteful number, since it uses less digits than its factorization.

111121220210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672697613.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111121220210011 its reverse (110012022121111), we get a palindrome (221133242331122).

The spelling of 111121220210011 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred twenty million, two hundred ten thousand, eleven".