111002021022012 has 48 divisors (see below), whose sum is σ = 270907752095232. Its totient is φ = 35307882308160.

The previous prime is 111002021021953. The next prime is 111002021022017. The reversal of 111002021022012 is 210220120200111.

It is a junction number, because it is equal to n+sod(n) for n = 111002021021982 and 111002021022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002021022017) 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, 477533728 + ... + 477766119.

It is an arithmetic number, because the mean of its divisors is an integer number (5643911501984).

Almost surely, 2^{111002021022012} is an apocalyptic number.

111002021022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111002021022012 is an abundant number, since it is smaller than the sum of its proper divisors (159905731073220).

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

111002021022012 is a wasteful number, since it uses less digits than its factorization.

111002021022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955300298 (or 955300296 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111002021022012 its reverse (210220120200111), we get a palindrome (321222141222123).

The spelling of 111002021022012 in words is "one hundred eleven trillion, two billion, twenty-one million, twenty-two thousand, twelve".