212100102211201 has 4 divisors (see below), whose sum is σ = 212205572179504. Its totient is φ = 211994632242900.

The previous prime is 212100102211199. The next prime is 212100102211399. The reversal of 212100102211201 is 102112201001212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212100102211201 - 2¹ = 212100102211199 is a prime.

It is a super-2 number, since 2×212100102211201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100102211001) 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, 52734981135 + ... + 52734985156.

It is an arithmetic number, because the mean of its divisors is an integer number (53051393044876).

Almost surely, 2^{212100102211201} is an apocalyptic number.

It is an amenable number.

212100102211201 is a deficient number, since it is larger than the sum of its proper divisors (105469968303).

212100102211201 is a wasteful number, since it uses less digits than its factorization.

212100102211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105469968302.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212100102211201 its reverse (102112201001212), we get a palindrome (314212303212413).

The spelling of 212100102211201 in words is "two hundred twelve trillion, one hundred billion, one hundred two million, two hundred eleven thousand, two hundred one".