111020012202012 has 192 divisors, whose sum is σ = 293535906048000. Its totient is φ = 32502420502272.

The previous prime is 111020012201873. The next prime is 111020012202023. The reversal of 111020012202012 is 210202210020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020012201982 and 111020012202000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13465483 + ... + 20083805.

It is an arithmetic number, because the mean of its divisors is an integer number (1528832844000).

Almost surely, 2^{111020012202012} is an apocalyptic number.

111020012202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111020012202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146767953024000).

111020012202012 is an abundant number, since it is smaller than the sum of its proper divisors (182515893845988).

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

111020012202012 is a wasteful number, since it uses less digits than its factorization.

111020012202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618480 (or 6618478 counting only the distinct ones).

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

Adding to 111020012202012 its reverse (210202210020111), we get a palindrome (321222222222123).

The spelling of 111020012202012 in words is "one hundred eleven trillion, twenty billion, twelve million, two hundred two thousand, twelve".