212101211201101 has 8 divisors (see below), whose sum is σ = 216614633921280. Its totient is φ = 207587814772368.

The previous prime is 212101211201053. The next prime is 212101211201149. The reversal of 212101211201101 is 101102112101212.

It is an interprime number because it is at equal distance from previous prime (212101211201053) and next prime (212101211201149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212101211201101 - 2⁷ = 212101211200973 is a prime.

It is a super-2 number, since 2×212101211201101² (a number of 29 digits) contains 22 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 (212101211201501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10183120 + ... + 22976038.

It is an arithmetic number, because the mean of its divisors is an integer number (27076829240160).

Almost surely, 2^{212101211201101} is an apocalyptic number.

It is an amenable number.

212101211201101 is a deficient number, since it is larger than the sum of its proper divisors (4513422720179).

212101211201101 is a wasteful number, since it uses less digits than its factorization.

212101211201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13145723.

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

Adding to 212101211201101 its reverse (101102112101212), we get a palindrome (313203323302313).

The spelling of 212101211201101 in words is "two hundred twelve trillion, one hundred one billion, two hundred eleven million, two hundred one thousand, one hundred one".