121131003131 has 8 divisors (see below), whose sum is σ = 121517329344. Its totient is φ = 120745215360.

The previous prime is 121131003109. The next prime is 121131003173. The reversal of 121131003131 is 131300131121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121131003131 is a prime.

It is a super-2 number, since 2×121131003131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121131002131) 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, 318461 + ... + 586241.

It is an arithmetic number, because the mean of its divisors is an integer number (15189666168).

Almost surely, 2^121131003131 is an apocalyptic number.

121131003131 is a deficient number, since it is larger than the sum of its proper divisors (386326213).

121131003131 is an equidigital number, since it uses as much as digits as its factorization.

121131003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269221.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 121131003131 its reverse (131300131121), we get a palindrome (252431134252).

The spelling of 121131003131 in words is "one hundred twenty-one billion, one hundred thirty-one million, three thousand, one hundred thirty-one".