121203020202023 has 4 divisors (see below), whose sum is σ = 121592740524528. Its totient is φ = 120813299879520.

The previous prime is 121203020201959. The next prime is 121203020202079. The reversal of 121203020202023 is 320202020302121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121203020202023 - 2⁶ = 121203020201959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121203020201986 and 121203020202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121203020802023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194860160786 + ... + 194860161407.

It is an arithmetic number, because the mean of its divisors is an integer number (30398185131132).

Almost surely, 2^{121203020202023} is an apocalyptic number.

121203020202023 is a deficient number, since it is larger than the sum of its proper divisors (389720322505).

121203020202023 is an equidigital number, since it uses as much as digits as its factorization.

121203020202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389720322504.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 121203020202023 its reverse (320202020302121), we get a palindrome (441405040504144).

The spelling of 121203020202023 in words is "one hundred twenty-one trillion, two hundred three billion, twenty million, two hundred two thousand, twenty-three".