142214222201 has 4 divisors (see below), whose sum is σ = 143812134900. Its totient is φ = 140616309504.

The previous prime is 142214222153. The next prime is 142214222209. The reversal of 142214222201 is 102222412241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35872360000 + 106341862201 = 189400^2 + 326101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142214222201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142214222209) 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, 798956216 + ... + 798956393.

It is an arithmetic number, because the mean of its divisors is an integer number (35953033725).

Almost surely, 2^142214222201 is an apocalyptic number.

It is an amenable number.

142214222201 is a deficient number, since it is larger than the sum of its proper divisors (1597912699).

142214222201 is an equidigital number, since it uses as much as digits as its factorization.

142214222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597912698.

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

Adding to 142214222201 its reverse (102222412241), we get a palindrome (244436634442).

The spelling of 142214222201 in words is "one hundred forty-two billion, two hundred fourteen million, two hundred twenty-two thousand, two hundred one".