111202112001012 has 48 divisors (see below), whose sum is σ = 260289186050880. Its totient is φ = 36950752012032.

The previous prime is 111202112001007. The next prime is 111202112001017. The reversal of 111202112001012 is 210100211202111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111202112001007) and next prime (111202112001017).

It is a junction number, because it is equal to n+sod(n) for n = 111202112000982 and 111202112001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202112001017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6316993 + ... + 16195944.

It is an arithmetic number, because the mean of its divisors is an integer number (5422691376060).

Almost surely, 2^{111202112001012} is an apocalyptic number.

111202112001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111202112001012 is an abundant number, since it is smaller than the sum of its proper divisors (149087074049868).

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

111202112001012 is a wasteful number, since it uses less digits than its factorization.

111202112001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22514240 (or 22514238 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111202112001012 its reverse (210100211202111), we get a palindrome (321302323203123).

The spelling of 111202112001012 in words is "one hundred eleven trillion, two hundred two billion, one hundred twelve million, one thousand, twelve".