131121022003 has 2 divisors, whose sum is σ = 131121022004. Its totient is φ = 131121022002.

The previous prime is 131121021971. The next prime is 131121022007. The reversal of 131121022003 is 300220121131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131121022003 - 2⁵ = 131121021971 is a prime.

It is a super-2 number, since 2×131121022003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131121022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560511001 + 65560511002.

It is an arithmetic number, because the mean of its divisors is an integer number (65560511002).

Almost surely, 2^131121022003 is an apocalyptic number.

131121022003 is a deficient number, since it is larger than the sum of its proper divisors (1).

131121022003 is an equidigital number, since it uses as much as digits as its factorization.

131121022003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131121022003 its reverse (300220121131), we get a palindrome (431341143134).

The spelling of 131121022003 in words is "one hundred thirty-one billion, one hundred twenty-one million, twenty-two thousand, three".