101233123131221 has 8 divisors (see below), whose sum is σ = 103009313602944. Its totient is φ = 99466665210640.

The previous prime is 101233123131163. The next prime is 101233123131223. The reversal of 101233123131221 is 122131321332101.

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 101233123131221 - 2⁶ = 101233123131157 is a prime.

It is a super-3 number, since 3×101233123131221³ (a number of 43 digits) contains 333 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 (101233123131223) 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, 2433116801 + ... + 2433158406.

It is an arithmetic number, because the mean of its divisors is an integer number (12876164200368).

Almost surely, 2^{101233123131221} is an apocalyptic number.

It is an amenable number.

101233123131221 is a deficient number, since it is larger than the sum of its proper divisors (1776190471723).

101233123131221 is an equidigital number, since it uses as much as digits as its factorization.

101233123131221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866275571.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 101233123131221 its reverse (122131321332101), we get a palindrome (223364444463322).

The spelling of 101233123131221 in words is "one hundred one trillion, two hundred thirty-three billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty-one".