142220224211 has 4 divisors (see below), whose sum is σ = 153160241472. Its totient is φ = 131280206952.

The previous prime is 142220224193. The next prime is 142220224213. The reversal of 142220224211 is 112422022241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142220224211 - 2¹⁴ = 142220207827 is a prime.

It is a super-2 number, since 2×142220224211² (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 (142220224213) 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, 5470008611 + ... + 5470008636.

It is an arithmetic number, because the mean of its divisors is an integer number (38290060368).

Almost surely, 2^142220224211 is an apocalyptic number.

142220224211 is a deficient number, since it is larger than the sum of its proper divisors (10940017261).

142220224211 is a wasteful number, since it uses less digits than its factorization.

142220224211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10940017260.

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

Adding to 142220224211 its reverse (112422022241), we get a palindrome (254642246452).

The spelling of 142220224211 in words is "one hundred forty-two billion, two hundred twenty million, two hundred twenty-four thousand, two hundred eleven".