111421010120011 has 8 divisors (see below), whose sum is σ = 117977517459360. Its totient is φ = 104864761699968.

The previous prime is 111421010119997. The next prime is 111421010120029. The reversal of 111421010120011 is 110021010124111.

It is a happy number.

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 111421010120011 - 2⁷ = 111421010119883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111421010120111) 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, 63843496 + ... + 65565493.

It is an arithmetic number, because the mean of its divisors is an integer number (14747189682420).

Almost surely, 2^{111421010120011} is an apocalyptic number.

111421010120011 is a deficient number, since it is larger than the sum of its proper divisors (6556507339349).

111421010120011 is a wasteful number, since it uses less digits than its factorization.

111421010120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129459653.

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

Adding to 111421010120011 its reverse (110021010124111), we get a palindrome (221442020244122).

The spelling of 111421010120011 in words is "one hundred eleven trillion, four hundred twenty-one billion, ten million, one hundred twenty thousand, eleven".