10121220203231 has 8 divisors (see below), whose sum is σ = 10133879865120. Its totient is φ = 10108568026368.

The previous prime is 10121220203209. The next prime is 10121220203257. The reversal of 10121220203231 is 13230202212101.

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 10121220203231 - 2³⁰ = 10120146461407 is a prime.

It is a super-2 number, since 2×10121220203231² (a number of 27 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 (10121220103231) 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, 837275 + ... + 4576403.

It is an arithmetic number, because the mean of its divisors is an integer number (1266734983140).

Almost surely, 2^{10121220203231} is an apocalyptic number.

10121220203231 is a deficient number, since it is larger than the sum of its proper divisors (12659661889).

10121220203231 is a wasteful number, since it uses less digits than its factorization.

10121220203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742513.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10121220203231 its reverse (13230202212101), we get a palindrome (23351422415332).

The spelling of 10121220203231 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty million, two hundred three thousand, two hundred thirty-one".