2120105211 has 8 divisors (see below), whose sum is σ = 3230636544. Its totient is φ = 1211488680.

The previous prime is 2120105171. The next prime is 2120105213. The reversal of 2120105211 is 1125010212.

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

It is not a de Polignac number, because 2120105211 - 2⁶ = 2120105147 is a prime.

It is a super-2 number, since 2×2120105211² = 8989692211418709042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120105213) 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, 50478675 + ... + 50478716.

It is an arithmetic number, because the mean of its divisors is an integer number (403829568).

Almost surely, 2^2120105211 is an apocalyptic number.

2120105211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2120105211 is a deficient number, since it is larger than the sum of its proper divisors (1110531333).

2120105211 is a wasteful number, since it uses less digits than its factorization.

2120105211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100957401.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2120105211 is about 46044.6002371614. The cubic root of 2120105211 is about 1284.6529085215.

Adding to 2120105211 its reverse (1125010212), we get a palindrome (3245115423).

The spelling of 2120105211 in words is "two billion, one hundred twenty million, one hundred five thousand, two hundred eleven".