3121123232101 has 4 divisors (see below), whose sum is σ = 3566997979552. Its totient is φ = 2675248484652.

The previous prime is 3121123232089. The next prime is 3121123232141. The reversal of 3121123232101 is 1012323211213.

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 3121123232101 - 2⁵ = 3121123232069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121123232141) 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, 222937373715 + ... + 222937373728.

It is an arithmetic number, because the mean of its divisors is an integer number (891749494888).

Almost surely, 2^{3121123232101} is an apocalyptic number.

It is an amenable number.

3121123232101 is a deficient number, since it is larger than the sum of its proper divisors (445874747451).

3121123232101 is an equidigital number, since it uses as much as digits as its factorization.

3121123232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445874747450.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3121123232101 its reverse (1012323211213), we get a palindrome (4133446443314).

The spelling of 3121123232101 in words is "three trillion, one hundred twenty-one billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred one".