122100210102 has 64 divisors (see below), whose sum is σ = 264661157376. Its totient is φ = 37330598400.

The previous prime is 122100210077. The next prime is 122100210103. The reversal of 122100210102 is 201012001221.

It is a super-2 number, since 2×122100210102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100210103) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8218693 + ... + 8233535.

It is an arithmetic number, because the mean of its divisors is an integer number (4135330584).

Almost surely, 2^122100210102 is an apocalyptic number.

122100210102 is an abundant number, since it is smaller than the sum of its proper divisors (142560947274).

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

122100210102 is a wasteful number, since it uses less digits than its factorization.

122100210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15525.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122100210102 its reverse (201012001221), we get a palindrome (323112211323).

The spelling of 122100210102 in words is "one hundred twenty-two billion, one hundred million, two hundred ten thousand, one hundred two".