321420300401421 has 64 divisors (see below), whose sum is σ = 544172835225600. Its totient is φ = 185990500631232.

The previous prime is 321420300401419. The next prime is 321420300401423. The reversal of 321420300401421 is 124104003024123.

321420300401421 is a `hidden beast` number, since 3 + 2 + 14 + 203 + 0 + 0 + 401 + 42 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (321420300401419) and next prime (321420300401423).

It is not a de Polignac number, because 321420300401421 - 2¹ = 321420300401419 is a prime.

It is a super-2 number, since 2×321420300401421² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420300401423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336932445 + ... + 337885058.

It is an arithmetic number, because the mean of its divisors is an integer number (8502700550400).

Almost surely, 2^{321420300401421} is an apocalyptic number.

It is an amenable number.

321420300401421 is a deficient number, since it is larger than the sum of its proper divisors (222752534824179).

321420300401421 is a wasteful number, since it uses less digits than its factorization.

321420300401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674817607 (or 674817601 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 321420300401421 its reverse (124104003024123), we get a palindrome (445524303425544).

The spelling of 321420300401421 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred million, four hundred one thousand, four hundred twenty-one".