201211330142 has 8 divisors (see below), whose sum is σ = 301827945816. Its totient is φ = 100602014872.

The previous prime is 201211330091. The next prime is 201211330181. The reversal of 201211330142 is 241033112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755668 + ... + 1866759.

It is an arithmetic number, because the mean of its divisors is an integer number (37728493227).

Almost surely, 2^201211330142 is an apocalyptic number.

201211330142 is a deficient number, since it is larger than the sum of its proper divisors (100616615674).

201211330142 is a wasteful number, since it uses less digits than its factorization.

201211330142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650202.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201211330142 its reverse (241033112102), we get a palindrome (442244442244).

The spelling of 201211330142 in words is "two hundred one billion, two hundred eleven million, three hundred thirty thousand, one hundred forty-two".