21312101033113 has 8 divisors (see below), whose sum is σ = 23249621750400. Its totient is φ = 19374589813680.

The previous prime is 21312101033107. The next prime is 21312101033123. The reversal of 21312101033113 is 31133010121312.

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 21312101033113 - 2⁵ = 21312101033081 is a prime.

It is a super-3 number, since 3×21312101033113³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21312101033123) 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, 2809363 + ... + 7107511.

It is an arithmetic number, because the mean of its divisors is an integer number (2906202718800).

Almost surely, 2^{21312101033113} is an apocalyptic number.

It is an amenable number.

21312101033113 is a deficient number, since it is larger than the sum of its proper divisors (1937520717287).

21312101033113 is a wasteful number, since it uses less digits than its factorization.

21312101033113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748927.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 21312101033113 its reverse (31133010121312), we get a palindrome (52445111154425).

The spelling of 21312101033113 in words is "twenty-one trillion, three hundred twelve billion, one hundred one million, thirty-three thousand, one hundred thirteen".