2120201101 has 4 divisors (see below), whose sum is σ = 2124987552. Its totient is φ = 2115414652.

The previous prime is 2120201099. The next prime is 2120201141. The reversal of 2120201101 is 1011020212.

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 2120201101 - 2¹ = 2120201099 is a prime.

It is a super-2 number, since 2×2120201101² = 8990505417363224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120201141) 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, 2392561 + ... + 2393446.

It is an arithmetic number, because the mean of its divisors is an integer number (531246888).

Almost surely, 2^2120201101 is an apocalyptic number.

It is an amenable number.

2120201101 is a deficient number, since it is larger than the sum of its proper divisors (4786451).

2120201101 is an equidigital number, since it uses as much as digits as its factorization.

2120201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786450.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2120201101 is about 46045.6414984089. The cubic root of 2120201101 is about 1284.6722760368.

Adding to 2120201101 its reverse (1011020212), we get a palindrome (3131221313).

The spelling of 2120201101 in words is "two billion, one hundred twenty million, two hundred one thousand, one hundred one".