121020012220103 has 2 divisors, whose sum is σ = 121020012220104. Its totient is φ = 121020012220102.

The previous prime is 121020012220013. The next prime is 121020012220127. The reversal of 121020012220103 is 301022210020121.

Together with previous prime (121020012220013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121020012220103 - 2³⁶ = 120951292743367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020012220183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510006110051 + 60510006110052.

It is an arithmetic number, because the mean of its divisors is an integer number (60510006110052).

Almost surely, 2^{121020012220103} is an apocalyptic number.

121020012220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020012220103 is an equidigital number, since it uses as much as digits as its factorization.

121020012220103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121020012220103 its reverse (301022210020121), we get a palindrome (422042222240224).

The spelling of 121020012220103 in words is "one hundred twenty-one trillion, twenty billion, twelve million, two hundred twenty thousand, one hundred three".