2222121000013 has 4 divisors (see below), whose sum is σ = 2264047811388. Its totient is φ = 2180194188640.

The previous prime is 2222121000007. The next prime is 2222121000019. The reversal of 2222121000013 is 3100001212222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2222121000007) and next prime (2222121000019).

It can be written as a sum of positive squares in 2 ways, for example, as 1688552110249 + 533568889764 = 1299443^2 + 730458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222121000013 - 2¹³ = 2222120991821 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 (2222121000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20963405608 + ... + 20963405713.

It is an arithmetic number, because the mean of its divisors is an integer number (566011952847).

Almost surely, 2^{2222121000013} is an apocalyptic number.

It is an amenable number.

2222121000013 is a deficient number, since it is larger than the sum of its proper divisors (41926811375).

2222121000013 is an equidigital number, since it uses as much as digits as its factorization.

2222121000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41926811374.

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

Adding to 2222121000013 its reverse (3100001212222), we get a palindrome (5322122212235).

The spelling of 2222121000013 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, thirteen", and thus it is an aban number.