220220110000001 has 4 divisors (see below), whose sum is σ = 220220140827972. Its totient is φ = 220220079172032.

The previous prime is 220220109999893. The next prime is 220220110000019. The reversal of 220220110000001 is 100000011022022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 156589559280625 + 63630550719376 = 12513575^2 + 7976876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220220110000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220110000021) 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, 1455245 + ... + 21037061.

It is an arithmetic number, because the mean of its divisors is an integer number (55055035206993).

Almost surely, 2^{220220110000001} is an apocalyptic number.

It is an amenable number.

220220110000001 is a deficient number, since it is larger than the sum of its proper divisors (30827971).

220220110000001 is a wasteful number, since it uses less digits than its factorization.

220220110000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30827970.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220220110000001 its reverse (100000011022022), we get a palindrome (320220121022023).

The spelling of 220220110000001 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred ten million, one", and thus it is an aban number.