121002101032203 has 20 divisors (see below), whose sum is σ = 185164913418408. Its totient is φ = 78700553514720.

The previous prime is 121002101032117. The next prime is 121002101032213. The reversal of 121002101032203 is 302230101200121.

121002101032203 is a `hidden beast` number, since 1 + 210 + 0 + 210 + 10 + 32 + 203 = 666.

It is not a de Polignac number, because 121002101032203 - 2¹⁸ = 121002100770059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121002101032213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18217717401 + ... + 18217724042.

Almost surely, 2^{121002101032203} is an apocalyptic number.

121002101032203 is a deficient number, since it is larger than the sum of its proper divisors (64162812386205).

121002101032203 is an equidigital number, since it uses as much as digits as its factorization.

121002101032203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36435441496 (or 36435441487 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121002101032203 its reverse (302230101200121), we get a palindrome (423232202232324).

The spelling of 121002101032203 in words is "one hundred twenty-one trillion, two billion, one hundred one million, thirty-two thousand, two hundred three".