220201200220061 has 2 divisors, whose sum is σ = 220201200220062. Its totient is φ = 220201200220060.

The previous prime is 220201200219983. The next prime is 220201200220073. The reversal of 220201200220061 is 160022002102022.

220201200220061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202825591639225 + 17375608580836 = 14241685^2 + 4168406^2 .

It is a cyclic number.

It is not a de Polignac number, because 220201200220061 - 2¹⁸ = 220201199957917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201200220081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100600110030 + 110100600110031.

It is an arithmetic number, because the mean of its divisors is an integer number (110100600110031).

Almost surely, 2^{220201200220061} is an apocalyptic number.

It is an amenable number.

220201200220061 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201200220061 is an equidigital number, since it uses as much as digits as its factorization.

220201200220061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 220201200220061 its reverse (160022002102022), we get a palindrome (380223202322083).

The spelling of 220201200220061 in words is "two hundred twenty trillion, two hundred one billion, two hundred million, two hundred twenty thousand, sixty-one".