121000011120103 has 2 divisors, whose sum is σ = 121000011120104. Its totient is φ = 121000011120102.

The previous prime is 121000011120101. The next prime is 121000011120143. The reversal of 121000011120103 is 301021110000121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000011120103 - 2¹ = 121000011120101 is a prime.

Together with 121000011120101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000011120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500005560051 + 60500005560052.

It is an arithmetic number, because the mean of its divisors is an integer number (60500005560052).

Almost surely, 2^{121000011120103} is an apocalyptic number.

121000011120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000011120103 is an equidigital number, since it uses as much as digits as its factorization.

121000011120103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121000011120103 its reverse (301021110000121), we get a palindrome (422021121120224).

The spelling of 121000011120103 in words is "one hundred twenty-one trillion, eleven million, one hundred twenty thousand, one hundred three".