10121331331 has 8 divisors (see below), whose sum is σ = 10656003600. Its totient is φ = 9586856160.

The previous prime is 10121331281. The next prime is 10121331343. The reversal of 10121331331 is 13313312101.

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 10121331331 - 2²⁹ = 9584460419 is a prime.

It is a super-2 number, since 2×10121331331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121331299 and 10121331308.

It is not an unprimeable number, because it can be changed into a prime (10121331371) 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, 62685 + ... + 155473.

It is an arithmetic number, because the mean of its divisors is an integer number (1332000450).

Almost surely, 2^10121331331 is an apocalyptic number.

10121331331 is a deficient number, since it is larger than the sum of its proper divisors (534672269).

10121331331 is an equidigital number, since it uses as much as digits as its factorization.

10121331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98549.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 10121331331 its reverse (13313312101), we get a palindrome (23434643432).

The spelling of 10121331331 in words is "ten billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred thirty-one".