2122101101 has 4 divisors (see below), whose sum is σ = 2131449792. Its totient is φ = 2112752412.

The previous prime is 2122101073. The next prime is 2122101103. The reversal of 2122101101 is 1011012212.

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 a de Polignac number, because none of the positive numbers 2^k-2122101101 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 (2122101103) 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, 4674005 + ... + 4674458.

It is an arithmetic number, because the mean of its divisors is an integer number (532862448).

Almost surely, 2^2122101101 is an apocalyptic number.

It is an amenable number.

2122101101 is a deficient number, since it is larger than the sum of its proper divisors (9348691).

2122101101 is an equidigital number, since it uses as much as digits as its factorization.

2122101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348690.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2122101101 is about 46066.2685812515. The cubic root of 2122101101 is about 1285.0559108034.

Adding to 2122101101 its reverse (1011012212), we get a palindrome (3133113313).

Subtracting from 2122101101 its reverse (1011012212), we obtain a square (1111088889 = 33333²).

The spelling of 2122101101 in words is "two billion, one hundred twenty-two million, one hundred one thousand, one hundred one".