242103011421 has 96 divisors (see below), whose sum is σ = 373443447168. Its totient is φ = 138902999040.

The previous prime is 242103011417. The next prime is 242103011431. The reversal of 242103011421 is 124110301242.

It is not a de Polignac number, because 242103011421 - 2² = 242103011417 is a prime.

It is a super-2 number, since 2×242103011421² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242103011431) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89236761 + ... + 89239473.

It is an arithmetic number, because the mean of its divisors is an integer number (3890035908).

Almost surely, 2^242103011421 is an apocalyptic number.

It is an amenable number.

242103011421 is a deficient number, since it is larger than the sum of its proper divisors (131340435747).

242103011421 is a wasteful number, since it uses less digits than its factorization.

242103011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 242103011421 its reverse (124110301242), we get a palindrome (366213312663).

The spelling of 242103011421 in words is "two hundred forty-two billion, one hundred three million, eleven thousand, four hundred twenty-one".