2221012321301 has 8 divisors (see below), whose sum is σ = 2297764985880. Its totient is φ = 2144270725632.

The previous prime is 2221012321291. The next prime is 2221012321309. The reversal of 2221012321301 is 1031232101222.

It can be written as a sum of positive squares in 4 ways, for example, as 622623574225 + 1598388747076 = 789065^2 + 1264274^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2221012321301 - 2¹⁸ = 2221012059157 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 (2221012321309) 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, 2357960 + ... + 3162593.

It is an arithmetic number, because the mean of its divisors is an integer number (287220623235).

Almost surely, 2^{2221012321301} is an apocalyptic number.

It is an amenable number.

2221012321301 is a deficient number, since it is larger than the sum of its proper divisors (76752664579).

2221012321301 is a wasteful number, since it uses less digits than its factorization.

2221012321301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534455.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2221012321301 its reverse (1031232101222), we get a palindrome (3252244422523).

The spelling of 2221012321301 in words is "two trillion, two hundred twenty-one billion, twelve million, three hundred twenty-one thousand, three hundred one".