3121011221023 has 8 divisors (see below), whose sum is σ = 3307379428080. Its totient is φ = 2939892822720.

The previous prime is 3121011221017. The next prime is 3121011221039. The reversal of 3121011221023 is 3201221101213.

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 3121011221023 - 2¹⁷ = 3121011089951 is a prime.

It is a super-3 number, since 3×3121011221023³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121011221623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312450965 + ... + 1312453342.

It is an arithmetic number, because the mean of its divisors is an integer number (413422428510).

Almost surely, 2^{3121011221023} is an apocalyptic number.

3121011221023 is a deficient number, since it is larger than the sum of its proper divisors (186368207057).

3121011221023 is a wasteful number, since it uses less digits than its factorization.

3121011221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624904377.

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

Adding to 3121011221023 its reverse (3201221101213), we get a palindrome (6322232322236).

The spelling of 3121011221023 in words is "three trillion, one hundred twenty-one billion, eleven million, two hundred twenty-one thousand, twenty-three".