121010011002103 has 4 divisors (see below), whose sum is σ = 121010158317160. Its totient is φ = 121009863687048.

The previous prime is 121010011002091. The next prime is 121010011002109. The reversal of 121010011002103 is 301200110010121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121010011002103 - 2⁴¹ = 118810987746551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010011002109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72418425 + ... + 74070562.

It is an arithmetic number, because the mean of its divisors is an integer number (30252539579290).

Almost surely, 2^{121010011002103} is an apocalyptic number.

121010011002103 is a deficient number, since it is larger than the sum of its proper divisors (147315057).

121010011002103 is an equidigital number, since it uses as much as digits as its factorization.

121010011002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147315056.

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

Adding to 121010011002103 its reverse (301200110010121), we get a palindrome (422210121012224).

The spelling of 121010011002103 in words is "one hundred twenty-one trillion, ten billion, eleven million, two thousand, one hundred three".