220311202113061 has 2 divisors, whose sum is σ = 220311202113062. Its totient is φ = 220311202113060.

The previous prime is 220311202113049. The next prime is 220311202113143. The reversal of 220311202113061 is 160311202113022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112805513548036 + 107505688565025 = 10620994^2 + 10368495^2 .

It is a cyclic number.

It is not a de Polignac number, because 220311202113061 - 2²⁵ = 220311168558629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220311202113161) 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, 110155601056530 + 110155601056531.

It is an arithmetic number, because the mean of its divisors is an integer number (110155601056531).

Almost surely, 2^{220311202113061} is an apocalyptic number.

It is an amenable number.

220311202113061 is a deficient number, since it is larger than the sum of its proper divisors (1).

220311202113061 is an equidigital number, since it uses as much as digits as its factorization.

220311202113061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 220311202113061 its reverse (160311202113022), we get a palindrome (380622404226083).

The spelling of 220311202113061 in words is "two hundred twenty trillion, three hundred eleven billion, two hundred two million, one hundred thirteen thousand, sixty-one".