201210122 has 8 divisors (see below), whose sum is σ = 302345472. Its totient is φ = 100428300.

The previous prime is 201210103. The next prime is 201210127. The reversal of 201210122 is 221012102.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (201210127) 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, 86954 + ... + 89237.

It is an arithmetic number, because the mean of its divisors is an integer number (37793184).

Almost surely, 2^201210122 is an apocalyptic number.

201210122 is a deficient number, since it is larger than the sum of its proper divisors (101135350).

201210122 is a wasteful number, since it uses less digits than its factorization.

201210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176764.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201210122 is about 14184.8553746593. The cubic root of 201210122 is about 585.9806494948.

Adding to 201210122 its reverse (221012102), we get a palindrome (422222224).

The spelling of 201210122 in words is "two hundred one million, two hundred ten thousand, one hundred twenty-two".