1100202121013 has 2 divisors, whose sum is σ = 1100202121014. Its totient is φ = 1100202121012.

The previous prime is 1100202120973. The next prime is 1100202121019. The reversal of 1100202121013 is 3101212020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043680862449 + 56521258564 = 1021607^2 + 237742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100202121013 - 2⁸ = 1100202120757 is a prime.

It is a super-2 number, since 2×1100202121013² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100202121019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550101060506 + 550101060507.

It is an arithmetic number, because the mean of its divisors is an integer number (550101060507).

Almost surely, 2^{1100202121013} is an apocalyptic number.

It is an amenable number.

1100202121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100202121013 is an equidigital number, since it uses as much as digits as its factorization.

1100202121013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1100202121013 its reverse (3101212020011), we get a palindrome (4201414141024).

The spelling of 1100202121013 in words is "one trillion, one hundred billion, two hundred two million, one hundred twenty-one thousand, thirteen".