21112001010301 has 4 divisors (see below), whose sum is σ = 21112018999552. Its totient is φ = 21111983021052.

The previous prime is 21112001010281. The next prime is 21112001010311. The reversal of 21112001010301 is 10301010021112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21112001010301 - 2³³ = 21103411075709 is a prime.

It is a super-2 number, since 2×21112001010301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112001010311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7101411 + ... + 9625696.

It is an arithmetic number, because the mean of its divisors is an integer number (5278004749888).

Almost surely, 2^{21112001010301} is an apocalyptic number.

It is an amenable number.

21112001010301 is a deficient number, since it is larger than the sum of its proper divisors (17989251).

21112001010301 is a wasteful number, since it uses less digits than its factorization.

21112001010301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17989250.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 21112001010301 its reverse (10301010021112), we get a palindrome (31413011031413).

The spelling of 21112001010301 in words is "twenty-one trillion, one hundred twelve billion, one million, ten thousand, three hundred one".