201000210122 has 16 divisors (see below), whose sum is σ = 302461499520. Its totient is φ = 100179887808.

The previous prime is 201000210121. The next prime is 201000210127. The reversal of 201000210122 is 221012000102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201000210121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321954 + ... + 2406962.

It is an arithmetic number, because the mean of its divisors is an integer number (18903843720).

Almost surely, 2^201000210122 is an apocalyptic number.

201000210122 is a deficient number, since it is larger than the sum of its proper divisors (101461289398).

201000210122 is a wasteful number, since it uses less digits than its factorization.

201000210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88765.

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

Adding to 201000210122 its reverse (221012000102), we get a palindrome (422012210224).

The spelling of 201000210122 in words is "two hundred one billion, two hundred ten thousand, one hundred twenty-two".