221110124301442 has 8 divisors (see below), whose sum is σ = 332096480585100. Its totient is φ = 110411297439744.

The previous prime is 221110124301403. The next prime is 221110124301481. The reversal of 221110124301442 is 244103421011122.

It is an interprime number because it is at equal distance from previous prime (221110124301403) and next prime (221110124301481).

It can be written as a sum of positive squares in 2 ways, for example, as 220224739280841 + 885385020601 = 14839971^2 + 940949^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 221110124301442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71882353567 + ... + 71882356642.

Almost surely, 2^{221110124301442} is an apocalyptic number.

221110124301442 is a deficient number, since it is larger than the sum of its proper divisors (110986356283658).

221110124301442 is a wasteful number, since it uses less digits than its factorization.

221110124301442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143764710980.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 221110124301442 its reverse (244103421011122), we get a palindrome (465213545312564).

The spelling of 221110124301442 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred twenty-four million, three hundred one thousand, four hundred forty-two".