111202120200021 has 8 divisors (see below), whose sum is σ = 148804762531104. Its totient is φ = 73867112334480.

The previous prime is 111202120199921. The next prime is 111202120200053. The reversal of 111202120200021 is 120002021202111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-111202120200021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202120200071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66908615415 + ... + 66908617076.

It is an arithmetic number, because the mean of its divisors is an integer number (18600595316388).

Almost surely, 2^{111202120200021} is an apocalyptic number.

It is an amenable number.

111202120200021 is a deficient number, since it is larger than the sum of its proper divisors (37602642331083).

111202120200021 is a wasteful number, since it uses less digits than its factorization.

111202120200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133817232771.

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

Adding to 111202120200021 its reverse (120002021202111), we get a palindrome (231204141402132).

The spelling of 111202120200021 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty million, two hundred thousand, twenty-one".