220201121005111 has 2 divisors, whose sum is σ = 220201121005112. Its totient is φ = 220201121005110.

The previous prime is 220201121005087. The next prime is 220201121005207. The reversal of 220201121005111 is 111500121102022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220201121005111 - 2²⁹ = 220200584134199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201121105111) 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, 110100560502555 + 110100560502556.

It is an arithmetic number, because the mean of its divisors is an integer number (110100560502556).

Almost surely, 2^{220201121005111} is an apocalyptic number.

220201121005111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201121005111 is an equidigital number, since it uses as much as digits as its factorization.

220201121005111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 220201121005111 its reverse (111500121102022), we get a palindrome (331701242107133).

The spelling of 220201121005111 in words is "two hundred twenty trillion, two hundred one billion, one hundred twenty-one million, five thousand, one hundred eleven".