10121002231 has 4 divisors (see below), whose sum is σ = 10336342752. Its totient is φ = 9905661712.

The previous prime is 10121002201. The next prime is 10121002247. The reversal of 10121002231 is 13220012101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13220012101 = 2621 ⋅5043881.

It is a cyclic number.

It is not a de Polignac number, because 10121002231 - 2¹⁹ = 10120477943 is a prime.

It is a super-2 number, since 2×10121002231² (a number of 21 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 (10121002201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107670190 + ... + 107670283.

It is an arithmetic number, because the mean of its divisors is an integer number (2584085688).

Almost surely, 2^10121002231 is an apocalyptic number.

10121002231 is a deficient number, since it is larger than the sum of its proper divisors (215340521).

10121002231 is an equidigital number, since it uses as much as digits as its factorization.

10121002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215340520.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10121002231 its reverse (13220012101), we get a palindrome (23341014332).

The spelling of 10121002231 in words is "ten billion, one hundred twenty-one million, two thousand, two hundred thirty-one".