220220111010001 has 2 divisors, whose sum is σ = 220220111010002. Its totient is φ = 220220111010000.

The previous prime is 220220111009981. The next prime is 220220111010017. The reversal of 220220111010001 is 100010111022022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189535823374401 + 30684287635600 = 13767201^2 + 5539340^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220111010001 - 2¹⁵ = 220220110977233 is a prime.

It is not a weakly prime, because it can be changed into another prime (220220111010301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110055505000 + 110110055505001.

It is an arithmetic number, because the mean of its divisors is an integer number (110110055505001).

Almost surely, 2^{220220111010001} is an apocalyptic number.

It is an amenable number.

220220111010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220111010001 is an equidigital number, since it uses as much as digits as its factorization.

220220111010001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220220111010001 its reverse (100010111022022), we get a palindrome (320230222032023).

The spelling of 220220111010001 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred eleven million, ten thousand, one".