111355400214 has 32 divisors (see below), whose sum is σ = 247671203040. Its totient is φ = 37086253056.

The previous prime is 111355400201. The next prime is 111355400239. The reversal of 111355400214 is 412004553111.

111355400214 is a `hidden beast` number, since 1 + 11 + 35 + 5 + 400 + 214 = 666.

It is a super-2 number, since 2×111355400214² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831987 + ... + 956510.

It is an arithmetic number, because the mean of its divisors is an integer number (7739725095).

Almost surely, 2^111355400214 is an apocalyptic number.

111355400214 is an abundant number, since it is smaller than the sum of its proper divisors (136315802826).

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

111355400214 is a wasteful number, since it uses less digits than its factorization.

111355400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789661 (or 1789655 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 111355400214 its reverse (412004553111), we get a palindrome (523359953325).

The spelling of 111355400214 in words is "one hundred eleven billion, three hundred fifty-five million, four hundred thousand, two hundred fourteen".