20122110000001 has 4 divisors (see below), whose sum is σ = 20815975862100. Its totient is φ = 19428244137904.

The previous prime is 20122109999983. The next prime is 20122110000019. The reversal of 20122110000001 is 10000001122102.

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 (20122109999983) and next prime (20122110000019).

It can be written as a sum of positive squares in 2 ways, for example, as 14678101102401 + 5444008897600 = 3831201^2 + 2333240^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122110000001 - 2²¹ = 20122107902849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122110000401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346932931006 + ... + 346932931063.

It is an arithmetic number, because the mean of its divisors is an integer number (5203993965525).

Almost surely, 2^{20122110000001} is an apocalyptic number.

It is an amenable number.

20122110000001 is a deficient number, since it is larger than the sum of its proper divisors (693865862099).

20122110000001 is an equidigital number, since it uses as much as digits as its factorization.

20122110000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693865862098.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20122110000001 its reverse (10000001122102), we get a palindrome (30122111122103).

The spelling of 20122110000001 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, one", and thus it is an aban number.