1142102423221 has 8 divisors (see below), whose sum is σ = 1156582042880. Its totient is φ = 1127623369392.

The previous prime is 1142102423201. The next prime is 1142102423239. The reversal of 1142102423221 is 1223242012411.

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 1142102423221 - 2¹⁵ = 1142102390453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142102423201) 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, 5182936 + ... + 5398798.

It is an arithmetic number, because the mean of its divisors is an integer number (144572755360).

Almost surely, 2^{1142102423221} is an apocalyptic number.

It is an amenable number.

1142102423221 is a deficient number, since it is larger than the sum of its proper divisors (14479619659).

1142102423221 is an equidigital number, since it uses as much as digits as its factorization.

1142102423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282915.

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

Adding to 1142102423221 its reverse (1223242012411), we get a palindrome (2365344435632).

The spelling of 1142102423221 in words is "one trillion, one hundred forty-two billion, one hundred two million, four hundred twenty-three thousand, two hundred twenty-one".