2101101121 has 8 divisors (see below), whose sum is σ = 2401593920. Its totient is φ = 1800692208.

The previous prime is 2101101109. The next prime is 2101101137. The reversal of 2101101121 is 1211011012.

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

It is not a de Polignac number, because 2101101121 - 2⁷ = 2101100993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101101098 and 2101101107.

It is not an unprimeable number, because it can be changed into a prime (2101101151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47710 + ... + 80488.

It is an arithmetic number, because the mean of its divisors is an integer number (300199240).

Almost surely, 2^2101101121 is an apocalyptic number.

It is an amenable number.

2101101121 is a deficient number, since it is larger than the sum of its proper divisors (300492799).

2101101121 is an equidigital number, since it uses as much as digits as its factorization.

2101101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41943.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2101101121 is about 45837.7695901535. The cubic root of 2101101121 is about 1280.8029469285.

Adding to 2101101121 its reverse (1211011012), we get a palindrome (3312112133).

The spelling of 2101101121 in words is "two billion, one hundred one million, one hundred one thousand, one hundred twenty-one".