212122102101201 has 24 divisors (see below), whose sum is σ = 317148021852480. Its totient is φ = 136459119728736.

The previous prime is 212122102101191. The next prime is 212122102101241. The reversal of 212122102101201 is 102101201221212.

212122102101201 is a `hidden beast` number, since 2 + 121 + 2 + 210 + 210 + 120 + 1 = 666.

It is not a de Polignac number, because 212122102101201 - 2¹⁴ = 212122102084817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212122102101241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235397181 + ... + 236296586.

It is an arithmetic number, because the mean of its divisors is an integer number (13214500910520).

Almost surely, 2^{212122102101201} is an apocalyptic number.

It is an amenable number.

212122102101201 is a deficient number, since it is larger than the sum of its proper divisors (105025919751279).

212122102101201 is a wasteful number, since it uses less digits than its factorization.

212122102101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471695525 (or 471695522 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212122102101201 its reverse (102101201221212), we get a palindrome (314223303322413).

The spelling of 212122102101201 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred two million, one hundred one thousand, two hundred one".