3201112021421 has 8 divisors (see below), whose sum is σ = 3209369126400. Its totient is φ = 3192861476560.

The previous prime is 3201112021391. The next prime is 3201112021423. The reversal of 3201112021421 is 1241202111023.

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 3201112021421 - 2⁶ = 3201112021357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201112021393 and 3201112021402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201112021423) 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, 662090 + ... + 2615451.

It is an arithmetic number, because the mean of its divisors is an integer number (401171140800).

Almost surely, 2^{3201112021421} is an apocalyptic number.

It is an amenable number.

3201112021421 is a deficient number, since it is larger than the sum of its proper divisors (8257104979).

3201112021421 is a wasteful number, since it uses less digits than its factorization.

3201112021421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280059.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 3201112021421 its reverse (1241202111023), we get a palindrome (4442314132444).

The spelling of 3201112021421 in words is "three trillion, two hundred one billion, one hundred twelve million, twenty-one thousand, four hundred twenty-one".