3401042312221 has 8 divisors (see below), whose sum is σ = 3580064553600. Its totient is φ = 3222022072320.

The previous prime is 3401042312153. The next prime is 3401042312233. The reversal of 3401042312221 is 1222132401043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3401042312221 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 (3401042312621) 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, 4047645 + ... + 4815133.

It is an arithmetic number, because the mean of its divisors is an integer number (447508069200).

Almost surely, 2^{3401042312221} is an apocalyptic number.

It is an amenable number.

3401042312221 is a deficient number, since it is larger than the sum of its proper divisors (179022241379).

3401042312221 is a wasteful number, since it uses less digits than its factorization.

3401042312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000739.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 3401042312221 its reverse (1222132401043), we get a palindrome (4623174713264).

The spelling of 3401042312221 in words is "three trillion, four hundred one billion, forty-two million, three hundred twelve thousand, two hundred twenty-one".