111021210313 has 8 divisors (see below), whose sum is σ = 123684107400. Its totient is φ = 98947285248.

The previous prime is 111021210283. The next prime is 111021210353. The reversal of 111021210313 is 313012120111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 350550729 + 110670659584 = 18723^2 + 332672^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111021210313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021210353) 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, 147242608 + ... + 147243361.

It is an arithmetic number, because the mean of its divisors is an integer number (15460513425).

Almost surely, 2^111021210313 is an apocalyptic number.

111021210313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111021210313 is a deficient number, since it is larger than the sum of its proper divisors (12662897087).

111021210313 is a wasteful number, since it uses less digits than its factorization.

111021210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294486011.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111021210313 its reverse (313012120111), we get a palindrome (424033330424).

The spelling of 111021210313 in words is "one hundred eleven billion, twenty-one million, two hundred ten thousand, three hundred thirteen".