220201201012021 has 2 divisors, whose sum is σ = 220201201012022. Its totient is φ = 220201201012020.

The previous prime is 220201201011997. The next prime is 220201201012033. The reversal of 220201201012021 is 120210102102022.

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., 212208734872996 + 7992466139025 = 14567386^2 + 2827095^2 .

It is a cyclic number.

It is not a de Polignac number, because 220201201012021 - 2⁵ = 220201201011989 is a prime.

It is a super-3 number, since 3×220201201012021³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220201201011986 and 220201201012004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201201012921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100600506010 + 110100600506011.

It is an arithmetic number, because the mean of its divisors is an integer number (110100600506011).

Almost surely, 2^{220201201012021} is an apocalyptic number.

It is an amenable number.

220201201012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201201012021 is an equidigital number, since it uses as much as digits as its factorization.

220201201012021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220201201012021 its reverse (120210102102022), we get a palindrome (340411303114043).

The spelling of 220201201012021 in words is "two hundred twenty trillion, two hundred one billion, two hundred one million, twelve thousand, twenty-one".