3351891493121 has 4 divisors (see below), whose sum is σ = 3351916435200. Its totient is φ = 3351866551044.

The previous prime is 3351891493103. The next prime is 3351891493183. The reversal of 3351891493121 is 1213941981533.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3351891493121 - 2⁶ = 3351891493057 is a prime.

It is a super-2 number, since 2×3351891493121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3351891493121.

It is not an unprimeable number, because it can be changed into a prime (3351891403121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12268361 + ... + 12538598.

It is an arithmetic number, because the mean of its divisors is an integer number (837979108800).

Almost surely, 2^{3351891493121} is an apocalyptic number.

It is an amenable number.

3351891493121 is a deficient number, since it is larger than the sum of its proper divisors (24942079).

3351891493121 is a wasteful number, since it uses less digits than its factorization.

3351891493121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24942078.

The product of its digits is 699840, while the sum is 50.

The spelling of 3351891493121 in words is "three trillion, three hundred fifty-one billion, eight hundred ninety-one million, four hundred ninety-three thousand, one hundred twenty-one".