10131121302123 has 16 divisors (see below), whose sum is σ = 13623754015872. Its totient is φ = 6696379248000.

The previous prime is 10131121302109. The next prime is 10131121302157. The reversal of 10131121302123 is 32120312113101.

It is not a de Polignac number, because 10131121302123 - 2⁶ = 10131121302059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10131121302123.

It is not an unprimeable number, because it can be changed into a prime (10131121302193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11385598 + ... + 12243123.

It is an arithmetic number, because the mean of its divisors is an integer number (851484625992).

Almost surely, 2^{10131121302123} is an apocalyptic number.

10131121302123 is a deficient number, since it is larger than the sum of its proper divisors (3492632713749).

10131121302123 is a wasteful number, since it uses less digits than its factorization.

10131121302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23629946.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10131121302123 its reverse (32120312113101), we get a palindrome (42251433415224).

The spelling of 10131121302123 in words is "ten trillion, one hundred thirty-one billion, one hundred twenty-one million, three hundred two thousand, one hundred twenty-three".