2221012301 has 4 divisors (see below), whose sum is σ = 2221679232. Its totient is φ = 2220345372.

The previous prime is 2221012291. The next prime is 2221012303. The reversal of 2221012301 is 1032101222.

It is a happy number.

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 2221012301 - 2²² = 2216817997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221012303) 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, 328445 + ... + 335138.

It is an arithmetic number, because the mean of its divisors is an integer number (555419808).

Almost surely, 2^2221012301 is an apocalyptic number.

It is an amenable number.

2221012301 is a deficient number, since it is larger than the sum of its proper divisors (666931).

2221012301 is an equidigital number, since it uses as much as digits as its factorization.

2221012301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666930.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2221012301 is about 47127.6171793143. The cubic root of 2221012301 is about 1304.7190033220.

Adding to 2221012301 its reverse (1032101222), we get a palindrome (3253113523).

The spelling of 2221012301 in words is "two billion, two hundred twenty-one million, twelve thousand, three hundred one".