220111010701 has 2 divisors, whose sum is σ = 220111010702. Its totient is φ = 220111010700.

The previous prime is 220111010699. The next prime is 220111010711. The reversal of 220111010701 is 107010111022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128111021476 + 91999989225 = 357926^2 + 303315^2 .

It is a cyclic number.

It is not a de Polignac number, because 220111010701 - 2¹ = 220111010699 is a prime.

It is a super-2 number, since 2×220111010701² (a number of 23 digits) contains 22 as substring.

Together with 220111010699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220111010711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055505350 + 110055505351.

It is an arithmetic number, because the mean of its divisors is an integer number (110055505351).

Almost surely, 2^220111010701 is an apocalyptic number.

It is an amenable number.

220111010701 is a deficient number, since it is larger than the sum of its proper divisors (1).

220111010701 is an equidigital number, since it uses as much as digits as its factorization.

220111010701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 220111010701 its reverse (107010111022), we get a palindrome (327121121723).

The spelling of 220111010701 in words is "two hundred twenty billion, one hundred eleven million, ten thousand, seven hundred one".