220011331201 has 2 divisors, whose sum is σ = 220011331202. Its totient is φ = 220011331200.

The previous prime is 220011331171. The next prime is 220011331223. The reversal of 220011331201 is 102133110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204285920400 + 15725410801 = 451980^2 + 125401^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011331201 - 2⁹ = 220011330689 is a prime.

It is a super-2 number, since 2×220011331201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220011331261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005665600 + 110005665601.

It is an arithmetic number, because the mean of its divisors is an integer number (110005665601).

Almost surely, 2^220011331201 is an apocalyptic number.

It is an amenable number.

220011331201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011331201 is an equidigital number, since it uses as much as digits as its factorization.

220011331201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220011331201 its reverse (102133110022), we get a palindrome (322144441223).

The spelling of 220011331201 in words is "two hundred twenty billion, eleven million, three hundred thirty-one thousand, two hundred one".