201210122102 has 16 divisors (see below), whose sum is σ = 329345568000. Its totient is φ = 91433412840.

The previous prime is 201210122077. The next prime is 201210122213. The reversal of 201210122102 is 201221012102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206602 + ... + 1363197.

It is an arithmetic number, because the mean of its divisors is an integer number (20584098000).

Almost surely, 2^201210122102 is an apocalyptic number.

201210122102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201210122102 is a deficient number, since it is larger than the sum of its proper divisors (128135445898).

201210122102 is a wasteful number, since it uses less digits than its factorization.

201210122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573371.

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

Adding to 201210122102 its reverse (201221012102), we get a palindrome (402431134204).

Subtracting 201210122102 from its reverse (201221012102), we obtain a square (10890000 = 3300²).

The spelling of 201210122102 in words is "two hundred one billion, two hundred ten million, one hundred twenty-two thousand, one hundred two".