210112201121101 has 2 divisors, whose sum is σ = 210112201121102. Its totient is φ = 210112201121100.

The previous prime is 210112201121099. The next prime is 210112201121177. The reversal of 210112201121101 is 101121102211012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130113398039076 + 79998803082025 = 11406726^2 + 8944205^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112201121101 - 2¹ = 210112201121099 is a prime.

Together with 210112201121099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210112201121201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056100560550 + 105056100560551.

It is an arithmetic number, because the mean of its divisors is an integer number (105056100560551).

Almost surely, 2^{210112201121101} is an apocalyptic number.

It is an amenable number.

210112201121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112201121101 is an equidigital number, since it uses as much as digits as its factorization.

210112201121101 is an evil number, because the sum of its binary digits is even.

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

Adding to 210112201121101 its reverse (101121102211012), we get a palindrome (311233303332113).

The spelling of 210112201121101 in words is "two hundred ten trillion, one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred one".