11112102011 has 8 divisors (see below), whose sum is σ = 11438617344. Its totient is φ = 10788681960.

The previous prime is 11112101983. The next prime is 11112102013. The reversal of 11112102011 is 11020121111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112102011 is a prime.

It is a super-2 number, since 2×11112102011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112101983 and 11112102001.

It is not an unprimeable number, because it can be changed into a prime (11112102013) 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, 766535 + ... + 780896.

It is an arithmetic number, because the mean of its divisors is an integer number (1429827168).

Almost surely, 2^11112102011 is an apocalyptic number.

11112102011 is a deficient number, since it is larger than the sum of its proper divisors (326515333).

11112102011 is a wasteful number, since it uses less digits than its factorization.

11112102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547641.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112102011 its reverse (11020121111), we get a palindrome (22132223122).

The spelling of 11112102011 in words is "eleven billion, one hundred twelve million, one hundred two thousand, eleven".