142210522321 has 16 divisors (see below), whose sum is σ = 164711199744. Its totient is φ = 120260116944.

The previous prime is 142210522309. The next prime is 142210522351. The reversal of 142210522321 is 123225012241.

It is a cyclic number.

It is not a de Polignac number, because 142210522321 - 2⁷ = 142210522193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142210522351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254046 + ... + 590728.

It is an arithmetic number, because the mean of its divisors is an integer number (10294449984).

Almost surely, 2^142210522321 is an apocalyptic number.

It is an amenable number.

142210522321 is a deficient number, since it is larger than the sum of its proper divisors (22500677423).

142210522321 is an equidigital number, since it uses as much as digits as its factorization.

142210522321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337500.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 142210522321 its reverse (123225012241), we get a palindrome (265435534562).

The spelling of 142210522321 in words is "one hundred forty-two billion, two hundred ten million, five hundred twenty-two thousand, three hundred twenty-one".