122110210100 has 36 divisors (see below), whose sum is σ = 274116374700. Its totient is φ = 47159804160.

The previous prime is 122110210093. The next prime is 122110210109. The reversal of 122110210100 is 1012011221.

It can be written as a sum of positive squares in 6 ways, for example, as 3954397456 + 118155812644 = 62884^2 + 343738^2 .

It is a super-2 number, since 2×122110210100² (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 (122110210109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21050585 + ... + 21056384.

Almost surely, 2^122110210100 is an apocalyptic number.

122110210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122110210100 is an abundant number, since it is smaller than the sum of its proper divisors (152006164600).

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

122110210100 is a wasteful number, since it uses less digits than its factorization.

122110210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42107012 (or 42107005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122110210100 its reverse (1012011221), we get a palindrome (123122221321).

The spelling of 122110210100 in words is "one hundred twenty-two billion, one hundred ten million, two hundred ten thousand, one hundred".