1101211021103 has 2 divisors, whose sum is σ = 1101211021104. Its totient is φ = 1101211021102.

The previous prime is 1101211021039. The next prime is 1101211021123. The reversal of 1101211021103 is 3011201121011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101211021103 - 2⁶ = 1101211021039 is a prime.

It is a super-2 number, since 2×1101211021103² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101211021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605510551 + 550605510552.

It is an arithmetic number, because the mean of its divisors is an integer number (550605510552).

Almost surely, 2^{1101211021103} is an apocalyptic number.

1101211021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101211021103 is an equidigital number, since it uses as much as digits as its factorization.

1101211021103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1101211021103 its reverse (3011201121011), we get a palindrome (4112412142114).

The spelling of 1101211021103 in words is "one trillion, one hundred one billion, two hundred eleven million, twenty-one thousand, one hundred three".