1111213203077 has 2 divisors, whose sum is σ = 1111213203078. Its totient is φ = 1111213203076.

The previous prime is 1111213203011. The next prime is 1111213203157. The reversal of 1111213203077 is 7703023121111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987928650916 + 123284552161 = 993946^2 + 351119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111213203077 - 2¹⁴ = 1111213186693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111213203007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555606601538 + 555606601539.

It is an arithmetic number, because the mean of its divisors is an integer number (555606601539).

Almost surely, 2^{1111213203077} is an apocalyptic number.

It is an amenable number.

1111213203077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111213203077 is an equidigital number, since it uses as much as digits as its factorization.

1111213203077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

Adding to 1111213203077 its reverse (7703023121111), we get a palindrome (8814236324188).

The spelling of 1111213203077 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, two hundred three thousand, seventy-seven".