212101202100104 has 32 divisors (see below), whose sum is σ = 411691090239000. Its totient is φ = 102322029530112.

The previous prime is 212101202100091. The next prime is 212101202100131. The reversal of 212101202100104 is 401001202101212.

It can be written as a sum of positive squares in 4 ways, for example, as 179006471248900 + 33094730851204 = 13379330^2 + 5752802^2 .

It is a super-2 number, since 2×212101202100104² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319552769 + ... + 320215824.

Almost surely, 2^{212101202100104} is an apocalyptic number.

It is an amenable number.

212101202100104 is a deficient number, since it is larger than the sum of its proper divisors (199589888138896).

212101202100104 is a wasteful number, since it uses less digits than its factorization.

212101202100104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639770057 (or 639770053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212101202100104 its reverse (401001202101212), we get a palindrome (613102404201316).

The spelling of 212101202100104 in words is "two hundred twelve trillion, one hundred one billion, two hundred two million, one hundred thousand, one hundred four".