210101201121 has 8 divisors (see below), whose sum is σ = 320154211264. Its totient is φ = 120057829200.

The previous prime is 210101201119. The next prime is 210101201147. The reversal of 210101201121 is 121102101012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210101201121 - 2¹ = 210101201119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210101201097 and 210101201106.

It is not an unprimeable number, because it can be changed into a prime (210101200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5002409530 + ... + 5002409571.

It is an arithmetic number, because the mean of its divisors is an integer number (40019276408).

Almost surely, 2^210101201121 is an apocalyptic number.

210101201121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210101201121 is a deficient number, since it is larger than the sum of its proper divisors (110053010143).

210101201121 is a wasteful number, since it uses less digits than its factorization.

210101201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004819111.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210101201121 its reverse (121102101012), we get a palindrome (331203302133).

The spelling of 210101201121 in words is "two hundred ten billion, one hundred one million, two hundred one thousand, one hundred twenty-one".