142210221331 has 8 divisors (see below), whose sum is σ = 143230989440. Its totient is φ = 141192873792.

The previous prime is 142210221311. The next prime is 142210221341. The reversal of 142210221331 is 133122012241.

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 142210221331 - 2⁵ = 142210221299 is a prime.

It is a super-2 number, since 2×142210221331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142210221301) 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, 771666 + ... + 938023.

It is an arithmetic number, because the mean of its divisors is an integer number (17903873680).

Almost surely, 2^142210221331 is an apocalyptic number.

142210221331 is a deficient number, since it is larger than the sum of its proper divisors (1020768109).

142210221331 is a wasteful number, since it uses less digits than its factorization.

142210221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710285.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 142210221331 its reverse (133122012241), we get a palindrome (275332233572).

The spelling of 142210221331 in words is "one hundred forty-two billion, two hundred ten million, two hundred twenty-one thousand, three hundred thirty-one".