111202121200000 has 192 divisors, whose sum is σ = 285833964205440. Its totient is φ = 43045977600000.

The previous prime is 111202121199977. The next prime is 111202121200039. The reversal of 111202121200000 is 2121202111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7916044 + ... + 16883956.

It is an arithmetic number, because the mean of its divisors is an integer number (1488718563570).

Almost surely, 2^{111202121200000} is an apocalyptic number.

111202121200000 is a gapful number since it is divisible by the number (10) 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 111202121200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142916982102720).

111202121200000 is an abundant number, since it is smaller than the sum of its proper divisors (174631843005440).

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

111202121200000 is an frugal number, since it uses more digits than its factorization.

111202121200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967983 (or 8967951 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111202121200000 its reverse (2121202111), we get a palindrome (111204242402111).

The spelling of 111202121200000 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty-one million, two hundred thousand".