142220633601 has 16 divisors (see below), whose sum is σ = 190263803904. Its totient is φ = 94495978704.

The previous prime is 142220633579. The next prime is 142220633609. The reversal of 142220633601 is 106336022241.

It is not a de Polignac number, because 142220633601 - 2¹⁰ = 142220632577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142220633609) 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, 1525410 + ... + 1615956.

It is an arithmetic number, because the mean of its divisors is an integer number (11891487744).

Almost surely, 2^142220633601 is an apocalyptic number.

It is an amenable number.

142220633601 is a deficient number, since it is larger than the sum of its proper divisors (48043170303).

142220633601 is a wasteful number, since it uses less digits than its factorization.

142220633601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92300.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 142220633601 its reverse (106336022241), we get a palindrome (248556655842).

The spelling of 142220633601 in words is "one hundred forty-two billion, two hundred twenty million, six hundred thirty-three thousand, six hundred one".