111202011220000 has 60 divisors (see below), whose sum is σ = 273573627952086. Its totient is φ = 44480804480000.

The previous prime is 111202011219953. The next prime is 111202011220009. The reversal of 111202011220000 is 22110202111.

It can be written as a sum of positive squares in 5 ways, for example, as 3473139140496 + 107728872079504 = 1863636^2 + 10379252^2 .

It is not an unprimeable number, because it can be changed into a prime (111202011220009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2780030281 + ... + 2780070280.

Almost surely, 2^{111202011220000} is an apocalyptic number.

111202011220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202011220000 is an abundant number, since it is smaller than the sum of its proper divisors (162371616732086).

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

111202011220000 is an frugal number, since it uses more digits than its factorization.

111202011220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560100591 (or 5560100568 counting only the distinct ones).

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

Adding to 111202011220000 its reverse (22110202111), we get a palindrome (111224121422111).

The spelling of 111202011220000 in words is "one hundred eleven trillion, two hundred two billion, eleven million, two hundred twenty thousand".