21310212113301 has 8 divisors (see below), whose sum is σ = 28413904602240. Its totient is φ = 14206663849952.

The previous prime is 21310212113297. The next prime is 21310212113317. The reversal of 21310212113301 is 10331121201312.

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 21310212113301 - 2² = 21310212113297 is a prime.

It is a super-2 number, since 2×21310212113301² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310212113401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35711160 + ... + 36302993.

It is an arithmetic number, because the mean of its divisors is an integer number (3551738075280).

Almost surely, 2^{21310212113301} is an apocalyptic number.

It is an amenable number.

21310212113301 is a deficient number, since it is larger than the sum of its proper divisors (7103692488939).

21310212113301 is an equidigital number, since it uses as much as digits as its factorization.

21310212113301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72112795.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21310212113301 its reverse (10331121201312), we get a palindrome (31641333314613).

The spelling of 21310212113301 in words is "twenty-one trillion, three hundred ten billion, two hundred twelve million, one hundred thirteen thousand, three hundred one".