22220111010001 has 2 divisors, whose sum is σ = 22220111010002. Its totient is φ = 22220111010000.

The previous prime is 22220111009963. The next prime is 22220111010023. The reversal of 22220111010001 is 10001011102222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21876948198400 + 343162811601 = 4677280^2 + 585801^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220111010001 - 2²⁹ = 22219574139089 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220111010091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110055505000 + 11110055505001.

It is an arithmetic number, because the mean of its divisors is an integer number (11110055505001).

Almost surely, 2^{22220111010001} is an apocalyptic number.

It is an amenable number.

22220111010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220111010001 is an equidigital number, since it uses as much as digits as its factorization.

22220111010001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22220111010001 its reverse (10001011102222), we get a palindrome (32221122112223).

The spelling of 22220111010001 in words is "twenty-two trillion, two hundred twenty billion, one hundred eleven million, ten thousand, one".