1111021232077 has 2 divisors, whose sum is σ = 1111021232078. Its totient is φ = 1111021232076.

The previous prime is 1111021232063. The next prime is 1111021232141. The reversal of 1111021232077 is 7702321201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879808356361 + 231212875716 = 937981^2 + 480846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111021232077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111021238077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555510616038 + 555510616039.

It is an arithmetic number, because the mean of its divisors is an integer number (555510616039).

Almost surely, 2^{1111021232077} is an apocalyptic number.

It is an amenable number.

1111021232077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111021232077 is an equidigital number, since it uses as much as digits as its factorization.

1111021232077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

Adding to 1111021232077 its reverse (7702321201111), we get a palindrome (8813342433188).

The spelling of 1111021232077 in words is "one trillion, one hundred eleven billion, twenty-one million, two hundred thirty-two thousand, seventy-seven".