111200101221021 has 8 divisors (see below), whose sum is σ = 149795325356544. Its totient is φ = 73369138949760.

The previous prime is 111200101220969. The next prime is 111200101221047. The reversal of 111200101221021 is 120122101002111.

It is a happy number.

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

It is not a de Polignac number, because 111200101221021 - 2⁷ = 111200101220893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200101221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191065465725 + ... + 191065466306.

It is an arithmetic number, because the mean of its divisors is an integer number (18724415669568).

Almost surely, 2^{111200101221021} is an apocalyptic number.

It is an amenable number.

111200101221021 is a deficient number, since it is larger than the sum of its proper divisors (38595224135523).

111200101221021 is an equidigital number, since it uses as much as digits as its factorization.

111200101221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382130932131.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111200101221021 its reverse (120122101002111), we get a palindrome (231322202223132).

The spelling of 111200101221021 in words is "one hundred eleven trillion, two hundred billion, one hundred one million, two hundred twenty-one thousand, twenty-one".