1101011078213 has 2 divisors, whose sum is σ = 1101011078214. Its totient is φ = 1101011078212.

The previous prime is 1101011078191. The next prime is 1101011078243. The reversal of 1101011078213 is 3128701101011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100688444769 + 322633444 = 1049137^2 + 17962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101011078213 - 2²² = 1101006883909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101011078243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550505539106 + 550505539107.

It is an arithmetic number, because the mean of its divisors is an integer number (550505539107).

Almost surely, 2^{1101011078213} is an apocalyptic number.

It is an amenable number.

1101011078213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101011078213 is an equidigital number, since it uses as much as digits as its factorization.

1101011078213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 1101011078213 its reverse (3128701101011), we get a palindrome (4229712179224).

The spelling of 1101011078213 in words is "one trillion, one hundred one billion, eleven million, seventy-eight thousand, two hundred thirteen".