121020111022203 has 6 divisors (see below), whose sum is σ = 174806827032084. Its totient is φ = 80680074014796.

The previous prime is 121020111022163. The next prime is 121020111022277. The reversal of 121020111022203 is 302220111020121.

It is not a de Polignac number, because 121020111022203 - 2⁸ = 121020111021947 is a prime.

It is a super-3 number, since 3×121020111022203³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121020111022003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6723339501225 + ... + 6723339501242.

It is an arithmetic number, because the mean of its divisors is an integer number (29134471172014).

Almost surely, 2^{121020111022203} is an apocalyptic number.

121020111022203 is a deficient number, since it is larger than the sum of its proper divisors (53786716009881).

121020111022203 is a wasteful number, since it uses less digits than its factorization.

121020111022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446679002473 (or 13446679002470 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121020111022203 its reverse (302220111020121), we get a palindrome (423240222042324).

The spelling of 121020111022203 in words is "one hundred twenty-one trillion, twenty billion, one hundred eleven million, twenty-two thousand, two hundred three".