142221629311 has 4 divisors (see below), whose sum is σ = 145247621472. Its totient is φ = 139195637152.

The previous prime is 142221629299. The next prime is 142221629317. The reversal of 142221629311 is 113926122241.

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 142221629311 - 2¹³ = 142221621119 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 (142221629317) 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, 1512996010 + ... + 1512996103.

It is an arithmetic number, because the mean of its divisors is an integer number (36311905368).

Almost surely, 2^142221629311 is an apocalyptic number.

142221629311 is a deficient number, since it is larger than the sum of its proper divisors (3025992161).

142221629311 is an equidigital number, since it uses as much as digits as its factorization.

142221629311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025992160.

The product of its digits is 10368, while the sum is 34.

The spelling of 142221629311 in words is "one hundred forty-two billion, two hundred twenty-one million, six hundred twenty-nine thousand, three hundred eleven".