111212440400102 has 8 divisors (see below), whose sum is σ = 166819851077976. Its totient is φ = 55605823374112.

The previous prime is 111212440400069. The next prime is 111212440400143. The reversal of 111212440400102 is 201004044212111.

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

It is a super-2 number, since 2×111212440400102² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 198062528 + ... + 198623235.

It is an arithmetic number, because the mean of its divisors is an integer number (20852481384747).

Almost surely, 2^{111212440400102} is an apocalyptic number.

111212440400102 is a deficient number, since it is larger than the sum of its proper divisors (55607410677874).

111212440400102 is a wasteful number, since it uses less digits than its factorization.

111212440400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396825942.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111212440400102 its reverse (201004044212111), we get a palindrome (312216484612213).

The spelling of 111212440400102 in words is "one hundred eleven trillion, two hundred twelve billion, four hundred forty million, four hundred thousand, one hundred two".