212001000101101 has 4 divisors (see below), whose sum is σ = 212001036123132. Its totient is φ = 212000964079072.

The previous prime is 212001000101083. The next prime is 212001000101113. The reversal of 212001000101101 is 101101000100212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173435335165225 + 38565664935876 = 13169485^2 + 6210126^2 .

It is a cyclic number.

It is not a de Polignac number, because 212001000101101 - 2¹⁷ = 212000999970029 is a prime.

It is a super-3 number, since 3×212001000101101³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001000131101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6897016 + ... + 21715681.

It is an arithmetic number, because the mean of its divisors is an integer number (53000259030783).

Almost surely, 2^{212001000101101} is an apocalyptic number.

It is an amenable number.

212001000101101 is a deficient number, since it is larger than the sum of its proper divisors (36022031).

212001000101101 is an equidigital number, since it uses as much as digits as its factorization.

212001000101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36022030.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 212001000101101 its reverse (101101000100212), we get a palindrome (313102000201313).

The spelling of 212001000101101 in words is "two hundred twelve trillion, one billion, one hundred one thousand, one hundred one".