103121120231 has 2 divisors, whose sum is σ = 103121120232. Its totient is φ = 103121120230.

The previous prime is 103121120197. The next prime is 103121120237. The reversal of 103121120231 is 132021121301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103121120231 - 2¹⁴ = 103121103847 is a prime.

It is a super-2 number, since 2×103121120231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103121120237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560560115 + 51560560116.

It is an arithmetic number, because the mean of its divisors is an integer number (51560560116).

Almost surely, 2^103121120231 is an apocalyptic number.

103121120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121120231 is an equidigital number, since it uses as much as digits as its factorization.

103121120231 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 17.

Adding to 103121120231 its reverse (132021121301), we get a palindrome (235142241532).

The spelling of 103121120231 in words is "one hundred three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred thirty-one".