220221011201101 has 8 divisors (see below), whose sum is σ = 223272635109944. Its totient is φ = 217170330474240.

The previous prime is 220221011201077. The next prime is 220221011201153. The reversal of 220221011201101 is 101102110122022.

It can be written as a sum of positive squares in 4 ways, for example, as 706858881001 + 219514152320100 = 840749^2 + 14816010^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220221011201101 is a prime.

It is a super-2 number, since 2×220221011201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221011207101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235325280 + ... + 236259241.

It is an arithmetic number, because the mean of its divisors is an integer number (27909079388743).

Almost surely, 2^{220221011201101} is an apocalyptic number.

It is an amenable number.

220221011201101 is a deficient number, since it is larger than the sum of its proper divisors (3051623908843).

220221011201101 is an equidigital number, since it uses as much as digits as its factorization.

220221011201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471590991.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220221011201101 its reverse (101102110122022), we get a palindrome (321323121323123).

The spelling of 220221011201101 in words is "two hundred twenty trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, one hundred one".