121102030203 has 64 divisors (see below), whose sum is σ = 210262597632. Its totient is φ = 60118375680.

The previous prime is 121102030183. The next prime is 121102030219. The reversal of 121102030203 is 302030201121.

It is not a de Polignac number, because 121102030203 - 2⁵ = 121102030171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102030223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5956351 + ... + 5976647.

It is an arithmetic number, because the mean of its divisors is an integer number (3285353088).

Almost surely, 2^121102030203 is an apocalyptic number.

121102030203 is a deficient number, since it is larger than the sum of its proper divisors (89160567429).

121102030203 is a wasteful number, since it uses less digits than its factorization.

121102030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21464.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121102030203 its reverse (302030201121), we get a palindrome (423132231324).

The spelling of 121102030203 in words is "one hundred twenty-one billion, one hundred two million, thirty thousand, two hundred three".