10020111011077 has 2 divisors, whose sum is σ = 10020111011078. Its totient is φ = 10020111011076.

The previous prime is 10020111011069. The next prime is 10020111011137. The reversal of 10020111011077 is 77011011102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9914632860001 + 105478151076 = 3148751^2 + 324774^2 .

It is an emirp because it is prime and its reverse (77011011102001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10020111011077 - 2³ = 10020111011069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020111011777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010055505538 + 5010055505539.

It is an arithmetic number, because the mean of its divisors is an integer number (5010055505539).

Almost surely, 2^{10020111011077} is an apocalyptic number.

It is an amenable number.

10020111011077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020111011077 is an equidigital number, since it uses as much as digits as its factorization.

10020111011077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 22.

Adding to 10020111011077 its reverse (77011011102001), we get a palindrome (87031122113078).

The spelling of 10020111011077 in words is "ten trillion, twenty billion, one hundred eleven million, eleven thousand, seventy-seven".