1201120021103 has 2 divisors, whose sum is σ = 1201120021104. Its totient is φ = 1201120021102.

The previous prime is 1201120021097. The next prime is 1201120021133. The reversal of 1201120021103 is 3011200211021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201120021103 - 2⁶ = 1201120021039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201120021133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600560010551 + 600560010552.

It is an arithmetic number, because the mean of its divisors is an integer number (600560010552).

Almost surely, 2^{1201120021103} is an apocalyptic number.

1201120021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201120021103 is an equidigital number, since it uses as much as digits as its factorization.

1201120021103 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 1201120021103 its reverse (3011200211021), we get a palindrome (4212320232124).

The spelling of 1201120021103 in words is "one trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, one hundred three".