121023202003 has 16 divisors (see below), whose sum is σ = 132568918272. Its totient is φ = 109568620000.

The previous prime is 121023201997. The next prime is 121023202019. The reversal of 121023202003 is 300202320121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121023202003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023202043) 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, 4857528 + ... + 4882378.

It is an arithmetic number, because the mean of its divisors is an integer number (8285557392).

Almost surely, 2^121023202003 is an apocalyptic number.

121023202003 is a deficient number, since it is larger than the sum of its proper divisors (11545716269).

121023202003 is a wasteful number, since it uses less digits than its factorization.

121023202003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26666.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 121023202003 its reverse (300202320121), we get a palindrome (421225522124).

The spelling of 121023202003 in words is "one hundred twenty-one billion, twenty-three million, two hundred two thousand, three".