210101211222102 has 24 divisors (see below), whose sum is σ = 462681902311200. Its totient is φ = 68885643023280.

The previous prime is 210101211222047. The next prime is 210101211222109. The reversal of 210101211222102 is 201222112101012.

210101211222102 is a `hidden beast` number, since 210 + 1 + 0 + 121 + 122 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101211222109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95674503102 + ... + 95674505297.

It is an arithmetic number, because the mean of its divisors is an integer number (19278412596300).

Almost surely, 2^{210101211222102} is an apocalyptic number.

210101211222102 is an abundant number, since it is smaller than the sum of its proper divisors (252580691089098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210101211222102 is a wasteful number, since it uses less digits than its factorization.

210101211222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191349008468 (or 191349008465 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210101211222102 its reverse (201222112101012), we get a palindrome (411323323323114).

The spelling of 210101211222102 in words is "two hundred ten trillion, one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, one hundred two".