220022028101 has 2 divisors, whose sum is σ = 220022028102. Its totient is φ = 220022028100.

The previous prime is 220022028071. The next prime is 220022028119. The reversal of 220022028101 is 101820220022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191257528900 + 28764499201 = 437330^2 + 169601^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022028101 - 2¹⁴ = 220022011717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220022028601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011014050 + 110011014051.

It is an arithmetic number, because the mean of its divisors is an integer number (110011014051).

Almost surely, 2^220022028101 is an apocalyptic number.

It is an amenable number.

220022028101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022028101 is an equidigital number, since it uses as much as digits as its factorization.

220022028101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220022028101 its reverse (101820220022), we get a palindrome (321842248123).

The spelling of 220022028101 in words is "two hundred twenty billion, twenty-two million, twenty-eight thousand, one hundred one".