111001202021120 has 72 divisors (see below), whose sum is σ = 266168772545760. Its totient is φ = 44352686489600.

The previous prime is 111001202021077. The next prime is 111001202021147. The reversal of 111001202021120 is 21120202100111.

It is a junction number, because it is equal to n+sod(n) for n = 111001202021095 and 111001202021104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45484556 + ... + 47862795.

It is an arithmetic number, because the mean of its divisors is an integer number (3696788507580).

Almost surely, 2^{111001202021120} is an apocalyptic number.

111001202021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001202021120 is an abundant number, since it is smaller than the sum of its proper divisors (155167570524640).

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

111001202021120 is an frugal number, since it uses more digits than its factorization.

111001202021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93348301 (or 93348287 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111001202021120 its reverse (21120202100111), we get a palindrome (132121404121231).

The spelling of 111001202021120 in words is "one hundred eleven trillion, one billion, two hundred two million, twenty-one thousand, one hundred twenty".