10111000220077 has 2 divisors, whose sum is σ = 10111000220078. Its totient is φ = 10111000220076.

The previous prime is 10111000220053. The next prime is 10111000220159. The reversal of 10111000220077 is 77002200011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10110994488841 + 5731236 = 3179779^2 + 2394^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111000220077 - 2¹¹ = 10111000218029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111000224077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055500110038 + 5055500110039.

It is an arithmetic number, because the mean of its divisors is an integer number (5055500110039).

Almost surely, 2^{10111000220077} is an apocalyptic number.

It is an amenable number.

10111000220077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111000220077 is an equidigital number, since it uses as much as digits as its factorization.

10111000220077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 22.

Adding to 10111000220077 its reverse (77002200011101), we get a palindrome (87113200231178).

The spelling of 10111000220077 in words is "ten trillion, one hundred eleven billion, two hundred twenty thousand, seventy-seven".