121001002203 has 8 divisors (see below), whose sum is σ = 161813408848. Its totient is φ = 80427965184.

The previous prime is 121001002159. The next prime is 121001002217. The reversal of 121001002203 is 302200100121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121001002203 - 2³⁰ = 119927260379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001002253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59841226 + ... + 59843247.

It is an arithmetic number, because the mean of its divisors is an integer number (20226676106).

Almost surely, 2^121001002203 is an apocalyptic number.

121001002203 is a deficient number, since it is larger than the sum of its proper divisors (40812406645).

121001002203 is a wasteful number, since it uses less digits than its factorization.

121001002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119684813.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 121001002203 its reverse (302200100121), we get a palindrome (423201102324).

The spelling of 121001002203 in words is "one hundred twenty-one billion, one million, two thousand, two hundred three".