242103012422221 has 12 divisors (see below), whose sum is σ = 246886583059872. Its totient is φ = 237410466268976.

The previous prime is 242103012422203. The next prime is 242103012422291. The reversal of 242103012422221 is 122224210301242.

It is not a de Polignac number, because 242103012422221 - 2⁵ = 242103012422189 is a prime.

It is a super-2 number, since 2×242103012422221² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242103012422221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242103012422291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17241121 + ... + 27954646.

It is an arithmetic number, because the mean of its divisors is an integer number (20573881921656).

Almost surely, 2^{242103012422221} is an apocalyptic number.

It is an amenable number.

242103012422221 is a deficient number, since it is larger than the sum of its proper divisors (4783570637651).

242103012422221 is an equidigital number, since it uses as much as digits as its factorization.

242103012422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45197780 (or 45197727 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 242103012422221 its reverse (122224210301242), we get a palindrome (364327222723463).

The spelling of 242103012422221 in words is "two hundred forty-two trillion, one hundred three billion, twelve million, four hundred twenty-two thousand, two hundred twenty-one".