242121401120203 has 6 divisors (see below), whose sum is σ = 266133440900852. Its totient is φ = 220110364654620.

The previous prime is 242121401120107. The next prime is 242121401120227. The reversal of 242121401120203 is 302021104121242.

242121401120203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242121401120203 - 2⁴⁵ = 206937029031371 is a prime.

It is a super-2 number, since 2×242121401120203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242121401120293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000501657401 + ... + 1000501657642.

Almost surely, 2^{242121401120203} is an apocalyptic number.

242121401120203 is a deficient number, since it is larger than the sum of its proper divisors (24012039780649).

242121401120203 is a wasteful number, since it uses less digits than its factorization.

242121401120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001003315065 (or 2001003315054 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 242121401120203 its reverse (302021104121242), we get a palindrome (544142505241445).

The spelling of 242121401120203 in words is "two hundred forty-two trillion, one hundred twenty-one billion, four hundred one million, one hundred twenty thousand, two hundred three".