21412111320401 has 8 divisors (see below), whose sum is σ = 21430473599424. Its totient is φ = 21393752070960.

The previous prime is 21412111320233. The next prime is 21412111320419. The reversal of 21412111320401 is 10402311121412.

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 21412111320401 - 2³⁴ = 21394931451217 is a prime.

It is a super-2 number, since 2×21412111320401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21412111320601) 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, 13498931 + ... + 15001511.

It is an arithmetic number, because the mean of its divisors is an integer number (2678809199928).

Almost surely, 2^{21412111320401} is an apocalyptic number.

It is an amenable number.

21412111320401 is a deficient number, since it is larger than the sum of its proper divisors (18362279023).

21412111320401 is a wasteful number, since it uses less digits than its factorization.

21412111320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514791.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 21412111320401 its reverse (10402311121412), we get a palindrome (31814422441813).

The spelling of 21412111320401 in words is "twenty-one trillion, four hundred twelve billion, one hundred eleven million, three hundred twenty thousand, four hundred one".