201102211121 has 4 divisors (see below), whose sum is σ = 229831098432. Its totient is φ = 172373323812.

The previous prime is 201102211033. The next prime is 201102211129. The reversal of 201102211121 is 121112201102.

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 201102211121 - 2¹⁴ = 201102194737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201102211096 and 201102211105.

It is not an unprimeable number, because it can be changed into a prime (201102211129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14364443645 + ... + 14364443658.

It is an arithmetic number, because the mean of its divisors is an integer number (57457774608).

Almost surely, 2^201102211121 is an apocalyptic number.

It is an amenable number.

201102211121 is a deficient number, since it is larger than the sum of its proper divisors (28728887311).

201102211121 is an equidigital number, since it uses as much as digits as its factorization.

201102211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728887310.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201102211121 its reverse (121112201102), we get a palindrome (322214412223).

The spelling of 201102211121 in words is "two hundred one billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".