211121112002101 has 16 divisors (see below), whose sum is σ = 248327058470400. Its totient is φ = 175750519300848.

The previous prime is 211121112001999. The next prime is 211121112002113. The reversal of 211121112002101 is 101200211121112.

It is a cyclic number.

It is not a de Polignac number, because 211121112002101 - 2⁴³ = 202325018979893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121112002191) 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, 3079418331 + ... + 3079486888.

It is an arithmetic number, because the mean of its divisors is an integer number (15520441154400).

Almost surely, 2^{211121112002101} is an apocalyptic number.

It is an amenable number.

211121112002101 is a deficient number, since it is larger than the sum of its proper divisors (37205946468299).

211121112002101 is an equidigital number, since it uses as much as digits as its factorization.

211121112002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158905368.

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

Adding to 211121112002101 its reverse (101200211121112), we get a palindrome (312321323123213).

The spelling of 211121112002101 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, two thousand, one hundred one".