1103100021077 has 2 divisors, whose sum is σ = 1103100021078. Its totient is φ = 1103100021076.

The previous prime is 1103100021059. The next prime is 1103100021139. The reversal of 1103100021077 is 7701200013011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 913848050116 + 189251970961 = 955954^2 + 435031^2 .

It is an emirp because it is prime and its reverse (7701200013011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103100021077 - 2⁶ = 1103100021013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103100011077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551550010538 + 551550010539.

It is an arithmetic number, because the mean of its divisors is an integer number (551550010539).

Almost surely, 2^{1103100021077} is an apocalyptic number.

It is an amenable number.

1103100021077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103100021077 is an equidigital number, since it uses as much as digits as its factorization.

1103100021077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 23.

Adding to 1103100021077 its reverse (7701200013011), we get a palindrome (8804300034088).

The spelling of 1103100021077 in words is "one trillion, one hundred three billion, one hundred million, twenty-one thousand, seventy-seven".