2301214021 has 4 divisors (see below), whose sum is σ = 2301325344. Its totient is φ = 2301102700.

The previous prime is 2301213991. The next prime is 2301214033. The reversal of 2301214021 is 1204121032.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2301214021 - 2²³ = 2292825413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301213986 and 2301214004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301211021) 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, 14515 + ... + 69376.

It is an arithmetic number, because the mean of its divisors is an integer number (575331336).

Almost surely, 2^2301214021 is an apocalyptic number.

It is an amenable number.

2301214021 is a deficient number, since it is larger than the sum of its proper divisors (111323).

2301214021 is an equidigital number, since it uses as much as digits as its factorization.

2301214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111322.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2301214021 is about 47970.9706072329. The cubic root of 2301214021 is about 1320.2383295177.

Adding to 2301214021 its reverse (1204121032), we get a palindrome (3505335053).

The spelling of 2301214021 in words is "two billion, three hundred one million, two hundred fourteen thousand, twenty-one".