242105341421 has 8 divisors (see below), whose sum is σ = 250911685920. Its totient is φ = 233329522608.

The previous prime is 242105341399. The next prime is 242105341433. The reversal of 242105341421 is 124143501242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242105341421 - 2¹⁰ = 242105340397 is a prime.

It is a super-2 number, since 2×242105341421² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242105241421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7615271 + ... + 7646996.

It is an arithmetic number, because the mean of its divisors is an integer number (31363960740).

Almost surely, 2^242105341421 is an apocalyptic number.

It is an amenable number.

242105341421 is a deficient number, since it is larger than the sum of its proper divisors (8806344499).

242105341421 is a wasteful number, since it uses less digits than its factorization.

242105341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262843.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 242105341421 its reverse (124143501242), we get a palindrome (366248842663).

The spelling of 242105341421 in words is "two hundred forty-two billion, one hundred five million, three hundred forty-one thousand, four hundred twenty-one".