121002111101003 has 16 divisors (see below), whose sum is σ = 134814879912960. Its totient is φ = 107658244593600.

The previous prime is 121002111100993. The next prime is 121002111101017. The reversal of 121002111101003 is 300101111200121.

It is not a de Polignac number, because 121002111101003 - 2⁴ = 121002111100987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121002111101603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13963418 + ... + 20904096.

It is an arithmetic number, because the mean of its divisors is an integer number (8425929994560).

Almost surely, 2^{121002111101003} is an apocalyptic number.

121002111101003 is a deficient number, since it is larger than the sum of its proper divisors (13812768811957).

121002111101003 is a wasteful number, since it uses less digits than its factorization.

121002111101003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974458.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121002111101003 its reverse (300101111200121), we get a palindrome (421103222301124).

The spelling of 121002111101003 in words is "one hundred twenty-one trillion, two billion, one hundred eleven million, one hundred one thousand, three".