111001200221021 has 8 divisors (see below), whose sum is σ = 121117129449888. Its totient is φ = 100889422830000.

The previous prime is 111001200221017. The next prime is 111001200221039. The reversal of 111001200221021 is 120122002100111.

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

It is a cyclic number.

It is not a de Polignac number, because 111001200221021 - 2² = 111001200221017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111001200220987 and 111001200221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001200223021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037903555 + ... + 1038010496.

It is an arithmetic number, because the mean of its divisors is an integer number (15139641181236).

Almost surely, 2^{111001200221021} is an apocalyptic number.

111001200221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111001200221021 is a deficient number, since it is larger than the sum of its proper divisors (10115929228867).

111001200221021 is a wasteful number, since it uses less digits than its factorization.

111001200221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075918923.

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

Adding to 111001200221021 its reverse (120122002100111), we get a palindrome (231123202321132).

The spelling of 111001200221021 in words is "one hundred eleven trillion, one billion, two hundred million, two hundred twenty-one thousand, twenty-one".