1121210102231 has 2 divisors, whose sum is σ = 1121210102232. Its totient is φ = 1121210102230.

The previous prime is 1121210102113. The next prime is 1121210102303. The reversal of 1121210102231 is 1322010121211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121210102231 - 2¹⁴ = 1121210085847 is a prime.

It is a super-2 number, since 2×1121210102231² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121210105231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560605051115 + 560605051116.

It is an arithmetic number, because the mean of its divisors is an integer number (560605051116).

Almost surely, 2^{1121210102231} is an apocalyptic number.

1121210102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121210102231 is an equidigital number, since it uses as much as digits as its factorization.

1121210102231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121210102231 its reverse (1322010121211), we get a palindrome (2443220223442).

The spelling of 1121210102231 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred two thousand, two hundred thirty-one".