121021011001103 has 2 divisors, whose sum is σ = 121021011001104. Its totient is φ = 121021011001102.

The previous prime is 121021011001081. The next prime is 121021011001249. The reversal of 121021011001103 is 301100110120121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121021011001103 - 2⁶ = 121021011001039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121021011009103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510505500551 + 60510505500552.

It is an arithmetic number, because the mean of its divisors is an integer number (60510505500552).

Almost surely, 2^{121021011001103} is an apocalyptic number.

121021011001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021011001103 is an equidigital number, since it uses as much as digits as its factorization.

121021011001103 is an evil number, because the sum of its binary digits is even.

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

Adding to 121021011001103 its reverse (301100110120121), we get a palindrome (422121121121224).

The spelling of 121021011001103 in words is "one hundred twenty-one trillion, twenty-one billion, eleven million, one thousand, one hundred three".