142414220021 has 4 divisors (see below), whose sum is σ = 142418362752. Its totient is φ = 142410077292.

The previous prime is 142414219999. The next prime is 142414220023. The reversal of 142414220021 is 120022414241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142414220021 - 2²² = 142410025717 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 (142414220023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019365 + ... + 2088698.

It is an arithmetic number, because the mean of its divisors is an integer number (35604590688).

Almost surely, 2^142414220021 is an apocalyptic number.

It is an amenable number.

142414220021 is a deficient number, since it is larger than the sum of its proper divisors (4142731).

142414220021 is an equidigital number, since it uses as much as digits as its factorization.

142414220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142730.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 142414220021 its reverse (120022414241), we get a palindrome (262436634262).

The spelling of 142414220021 in words is "one hundred forty-two billion, four hundred fourteen million, two hundred twenty thousand, twenty-one".