111102002120011 has 4 divisors (see below), whose sum is σ = 126973716708592. Its totient is φ = 95230287531432.

The previous prime is 111102002119981. The next prime is 111102002120023. The reversal of 111102002120011 is 110021200201111.

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 111102002120011 - 2⁷ = 111102002119883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111102002119973 and 111102002120000.

It is not an unprimeable number, because it can be changed into a prime (111102002120311) 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, 7935857294280 + ... + 7935857294293.

It is an arithmetic number, because the mean of its divisors is an integer number (31743429177148).

Almost surely, 2^{111102002120011} is an apocalyptic number.

111102002120011 is a deficient number, since it is larger than the sum of its proper divisors (15871714588581).

111102002120011 is an equidigital number, since it uses as much as digits as its factorization.

111102002120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871714588580.

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

Adding to 111102002120011 its reverse (110021200201111), we get a palindrome (221123202321122).

The spelling of 111102002120011 in words is "one hundred eleven trillion, one hundred two billion, two million, one hundred twenty thousand, eleven".