220212122102101 has 2 divisors, whose sum is σ = 220212122102102. Its totient is φ = 220212122102100.

The previous prime is 220212122102081. The next prime is 220212122102143. The reversal of 220212122102101 is 101201221212022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113059625702500 + 107152496399601 = 10632950^2 + 10351449^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212122102101 - 2⁵ = 220212122102069 is a prime.

It is a super-2 number, since 2×220212122102101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212122802101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106061051050 + 110106061051051.

It is an arithmetic number, because the mean of its divisors is an integer number (110106061051051).

Almost surely, 2^{220212122102101} is an apocalyptic number.

It is an amenable number.

220212122102101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212122102101 is an equidigital number, since it uses as much as digits as its factorization.

220212122102101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220212122102101 its reverse (101201221212022), we get a palindrome (321413343314123).

The spelling of 220212122102101 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, one hundred one".