220011000011081 has 2 divisors, whose sum is σ = 220011000011082. Its totient is φ = 220011000011080.

The previous prime is 220011000011041. The next prime is 220011000011113. The reversal of 220011000011081 is 180110000110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205360822733056 + 14650177278025 = 14330416^2 + 3827555^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011000011081 - 2⁴⁶ = 149642255833417 is a prime.

It is a super-3 number, since 3×220011000011081³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (220011000011041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005500005540 + 110005500005541.

It is an arithmetic number, because the mean of its divisors is an integer number (110005500005541).

Almost surely, 2^{220011000011081} is an apocalyptic number.

It is an amenable number.

220011000011081 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011000011081 is an equidigital number, since it uses as much as digits as its factorization.

220011000011081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

The spelling of 220011000011081 in words is "two hundred twenty trillion, eleven billion, eleven thousand, eighty-one".