3221121201031 has 8 divisors (see below), whose sum is σ = 3261928785920. Its totient is φ = 3180314463768.

The previous prime is 3221121200963. The next prime is 3221121201041. The reversal of 3221121201031 is 1301021211223.

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 3221121201031 - 2³⁹ = 2671365387143 is a prime.

It is a super-2 number, since 2×3221121201031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221121201041) 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, 11532430 + ... + 11808436.

It is an arithmetic number, because the mean of its divisors is an integer number (407741098240).

Almost surely, 2^{3221121201031} is an apocalyptic number.

3221121201031 is a deficient number, since it is larger than the sum of its proper divisors (40807584889).

3221121201031 is a wasteful number, since it uses less digits than its factorization.

3221121201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423813.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3221121201031 its reverse (1301021211223), we get a palindrome (4522142412254).

The spelling of 3221121201031 in words is "three trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred one thousand, thirty-one".