111121200202012 has 48 divisors (see below), whose sum is σ = 261095966917632. Its totient is φ = 39963668402880.

The previous prime is 111121200201997. The next prime is 111121200202013. The reversal of 111121200202012 is 210202002121111.

It is a super-2 number, since 2×111121200202012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121200202013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13876269748 + ... + 13876277755.

It is an arithmetic number, because the mean of its divisors is an integer number (5439499310784).

Almost surely, 2^{111121200202012} is an apocalyptic number.

It is an amenable number.

111121200202012 is an abundant number, since it is smaller than the sum of its proper divisors (149974766715620).

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

111121200202012 is a wasteful number, since it uses less digits than its factorization.

111121200202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27752547538 (or 27752547536 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111121200202012 its reverse (210202002121111), we get a palindrome (321323202323123).

The spelling of 111121200202012 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred million, two hundred two thousand, twelve".