1103332020121 has 2 divisors, whose sum is σ = 1103332020122. Its totient is φ = 1103332020120.

The previous prime is 1103332020103. The next prime is 1103332020233. The reversal of 1103332020121 is 1210202333011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766193855625 + 337138164496 = 875325^2 + 580636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103332020121 - 2⁹ = 1103332019609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103332020101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551666010060 + 551666010061.

It is an arithmetic number, because the mean of its divisors is an integer number (551666010061).

Almost surely, 2^{1103332020121} is an apocalyptic number.

It is an amenable number.

1103332020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103332020121 is an equidigital number, since it uses as much as digits as its factorization.

1103332020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1103332020121 its reverse (1210202333011), we get a palindrome (2313534353132).

The spelling of 1103332020121 in words is "one trillion, one hundred three billion, three hundred thirty-two million, twenty thousand, one hundred twenty-one".