3201421124551 has 8 divisors (see below), whose sum is σ = 3470516636384. Its totient is φ = 2935587376800.

The previous prime is 3201421124443. The next prime is 3201421124563. The reversal of 3201421124551 is 1554211241023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3201421124551 - 2¹⁷ = 3201420993479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201421124581) 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, 815438976 + ... + 815442901.

It is an arithmetic number, because the mean of its divisors is an integer number (433814579548).

Almost surely, 2^{3201421124551} is an apocalyptic number.

3201421124551 is a deficient number, since it is larger than the sum of its proper divisors (269095511833).

3201421124551 is a wasteful number, since it uses less digits than its factorization.

3201421124551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630882041.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 3201421124551 its reverse (1554211241023), we get a palindrome (4755632365574).

The spelling of 3201421124551 in words is "three trillion, two hundred one billion, four hundred twenty-one million, one hundred twenty-four thousand, five hundred fifty-one".