111301002203021 has 12 divisors (see below), whose sum is σ = 116422709002908. Its totient is φ = 106395825005184.

The previous prime is 111301002202991. The next prime is 111301002203047. The reversal of 111301002203021 is 120302200103111.

It can be written as a sum of positive squares in 2 ways, for example, as 55162022368996 + 56138979834025 = 7427114^2 + 7492595^2 .

It is a de Polignac number, because none of the positive numbers 2^k-111301002203021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111301002206021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64366460 + ... + 66073013.

It is an arithmetic number, because the mean of its divisors is an integer number (9701892416909).

Almost surely, 2^{111301002203021} is an apocalyptic number.

It is an amenable number.

111301002203021 is a deficient number, since it is larger than the sum of its proper divisors (5121706799887).

111301002203021 is a wasteful number, since it uses less digits than its factorization.

111301002203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130441132 (or 130441109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111301002203021 its reverse (120302200103111), we get a palindrome (231603202306132).

The spelling of 111301002203021 in words is "one hundred eleven trillion, three hundred one billion, two million, two hundred three thousand, twenty-one".