142621114021 has 8 divisors (see below), whose sum is σ = 147543820920. Its totient is φ = 137698723008.

The previous prime is 142621113853. The next prime is 142621114087. The reversal of 142621114021 is 120411126241.

142621114021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26943581025 + 115677532996 = 164145^2 + 340114^2 .

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 142621114021 - 2¹⁷ = 142620982949 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 (142621114421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180015 + ... + 1295251.

It is an arithmetic number, because the mean of its divisors is an integer number (18442977615).

Almost surely, 2^142621114021 is an apocalyptic number.

It is an amenable number.

142621114021 is a deficient number, since it is larger than the sum of its proper divisors (4922706899).

142621114021 is a wasteful number, since it uses less digits than its factorization.

142621114021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157943.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 142621114021 in words is "one hundred forty-two billion, six hundred twenty-one million, one hundred fourteen thousand, twenty-one".