10121302232131 has 4 divisors (see below), whose sum is σ = 10177845820200. Its totient is φ = 10064758644064.

The previous prime is 10121302232087. The next prime is 10121302232161. The reversal of 10121302232131 is 13123220312101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121302232131 is a prime.

It is a super-2 number, since 2×10121302232131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121302232161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28271793766 + ... + 28271794123.

It is an arithmetic number, because the mean of its divisors is an integer number (2544461455050).

Almost surely, 2^{10121302232131} is an apocalyptic number.

10121302232131 is a deficient number, since it is larger than the sum of its proper divisors (56543588069).

10121302232131 is an equidigital number, since it uses as much as digits as its factorization.

10121302232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56543588068.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10121302232131 its reverse (13123220312101), we get a palindrome (23244522544232).

The spelling of 10121302232131 in words is "ten trillion, one hundred twenty-one billion, three hundred two million, two hundred thirty-two thousand, one hundred thirty-one".