121013221032003 has 16 divisors (see below), whose sum is σ = 161834673837600. Its totient is φ = 80433957826560.

The previous prime is 121013221031981. The next prime is 121013221032023. The reversal of 121013221032003 is 300230122310121.

It is not a de Polignac number, because 121013221032003 - 2¹³ = 121013221023811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121013221032023) 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, 40218418 + ... + 43122471.

It is an arithmetic number, because the mean of its divisors is an integer number (10114667114850).

Almost surely, 2^{121013221032003} is an apocalyptic number.

121013221032003 is a deficient number, since it is larger than the sum of its proper divisors (40821452805597).

121013221032003 is an equidigital number, since it uses as much as digits as its factorization.

121013221032003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83342342.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121013221032003 its reverse (300230122310121), we get a palindrome (421243343342124).

The spelling of 121013221032003 in words is "one hundred twenty-one trillion, thirteen billion, two hundred twenty-one million, thirty-two thousand, three".