212211122101201 has 16 divisors (see below), whose sum is σ = 223622184855040. Its totient is φ = 200824382678400.

The previous prime is 212211122101177. The next prime is 212211122101207. The reversal of 212211122101201 is 102101221112212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212211122101201 - 2⁹ = 212211122100689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211122101207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63349111 + ... + 66614803.

It is an arithmetic number, because the mean of its divisors is an integer number (13976386553440).

Almost surely, 2^{212211122101201} is an apocalyptic number.

It is an amenable number.

212211122101201 is a deficient number, since it is larger than the sum of its proper divisors (11411062753839).

212211122101201 is a wasteful number, since it uses less digits than its factorization.

212211122101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269416.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212211122101201 its reverse (102101221112212), we get a palindrome (314312343213413).

The spelling of 212211122101201 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, one hundred one thousand, two hundred one".