211121100302101 has 16 divisors (see below), whose sum is σ = 231705664430400. Its totient is φ = 190769071265920.

The previous prime is 211121100302081. The next prime is 211121100302107. The reversal of 211121100302101 is 101203001121112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211121100302101 - 2⁴³ = 202325007279893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121100302107) 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, 7177651 + ... + 21766048.

It is an arithmetic number, because the mean of its divisors is an integer number (14481604026900).

Almost surely, 2^{211121100302101} is an apocalyptic number.

It is an amenable number.

211121100302101 is a deficient number, since it is larger than the sum of its proper divisors (20584564128299).

211121100302101 is a wasteful number, since it uses less digits than its factorization.

211121100302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28947716.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 211121100302101 its reverse (101203001121112), we get a palindrome (312324101423213).

The spelling of 211121100302101 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred million, three hundred two thousand, one hundred one".