2320101021 has 16 divisors (see below), whose sum is σ = 3630944384. Its totient is φ = 1289939904.

The previous prime is 2320101019. The next prime is 2320101029. The reversal of 2320101021 is 1201010232.

It is not a de Polignac number, because 2320101021 - 2¹ = 2320101019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2320100988 and 2320101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320101029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492210 + ... + 1493763.

It is an arithmetic number, because the mean of its divisors is an integer number (226934024).

Almost surely, 2^2320101021 is an apocalyptic number.

2320101021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2320101021 is a deficient number, since it is larger than the sum of its proper divisors (1310843363).

2320101021 is a wasteful number, since it uses less digits than its factorization.

2320101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986020.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2320101021 is about 48167.4269709313. The cubic root of 2320101021 is about 1323.8404039442.

Adding to 2320101021 its reverse (1201010232), we get a palindrome (3521111253).

It can be divided in two parts, 2 and 320101021, that added together give a palindrome (320101023).

The spelling of 2320101021 in words is "two billion, three hundred twenty million, one hundred one thousand, twenty-one".