2120310101 has 16 divisors (see below), whose sum is σ = 2638944000. Its totient is φ = 1658752128.

The previous prime is 2120310097. The next prime is 2120310113. The reversal of 2120310101 is 1010130212.

It is a cyclic number.

It is not a de Polignac number, because 2120310101 - 2² = 2120310097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120310001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122801 + ... + 138998.

It is an arithmetic number, because the mean of its divisors is an integer number (164934000).

Almost surely, 2^2120310101 is an apocalyptic number.

It is an amenable number.

2120310101 is a deficient number, since it is larger than the sum of its proper divisors (518633899).

2120310101 is a wasteful number, since it uses less digits than its factorization.

2120310101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261908.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2120310101 is about 46046.8250914219. The cubic root of 2120310101 is about 1284.6942907533.

Adding to 2120310101 its reverse (1010130212), we get a palindrome (3130440313).

The spelling of 2120310101 in words is "two billion, one hundred twenty million, three hundred ten thousand, one hundred one".