142211201 has 8 divisors (see below), whose sum is σ = 155732544. Its totient is φ = 128788720.

The previous prime is 142211183. The next prime is 142211203. The reversal of 142211201 is 102112241.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142211201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21686 + ... + 27471.

It is an arithmetic number, because the mean of its divisors is an integer number (19466568).

Almost surely, 2^142211201 is an apocalyptic number.

142211201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142211201 is a deficient number, since it is larger than the sum of its proper divisors (13521343).

142211201 is a wasteful number, since it uses less digits than its factorization.

142211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49431.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 142211201 is about 11925.2337922575. The cubic root of 142211201 is about 521.9688684868.

Adding to 142211201 its reverse (102112241), we get a palindrome (244323442).

The spelling of 142211201 in words is "one hundred forty-two million, two hundred eleven thousand, two hundred one".