210112121222201 has 4 divisors (see below), whose sum is σ = 229213223151504. Its totient is φ = 191011019292900.

The previous prime is 210112121222191. The next prime is 210112121222219. The reversal of 210112121222201 is 102222121211012.

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 210112121222201 - 2⁴² = 205714074711097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210112121222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9550550964635 + ... + 9550550964656.

It is an arithmetic number, because the mean of its divisors is an integer number (57303305787876).

Almost surely, 2^{210112121222201} is an apocalyptic number.

It is an amenable number.

210112121222201 is a deficient number, since it is larger than the sum of its proper divisors (19101101929303).

210112121222201 is a wasteful number, since it uses less digits than its factorization.

210112121222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19101101929302.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210112121222201 its reverse (102222121211012), we get a palindrome (312334242433213).

The spelling of 210112121222201 in words is "two hundred ten trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".