111121401414 has 16 divisors (see below), whose sum is σ = 222251876352. Its totient is φ = 37038954888.

The previous prime is 111121401389. The next prime is 111121401437. The reversal of 111121401414 is 414104121111.

It is a super-2 number, since 2×111121401414² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213334 + ... + 517449.

It is an arithmetic number, because the mean of its divisors is an integer number (13890742272).

Almost surely, 2^111121401414 is an apocalyptic number.

111121401414 is an abundant number, since it is smaller than the sum of its proper divisors (111130474938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111121401414 is a wasteful number, since it uses less digits than its factorization.

111121401414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756131.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111121401414 its reverse (414104121111), we get a palindrome (525225522525).

The spelling of 111121401414 in words is "one hundred eleven billion, one hundred twenty-one million, four hundred one thousand, four hundred fourteen".