1201021201103 has 2 divisors, whose sum is σ = 1201021201104. Its totient is φ = 1201021201102.

The previous prime is 1201021201063. The next prime is 1201021201111. The reversal of 1201021201103 is 3011021201021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201021201103 - 2²⁸ = 1200752765647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201021201403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600510600551 + 600510600552.

It is an arithmetic number, because the mean of its divisors is an integer number (600510600552).

Almost surely, 2^{1201021201103} is an apocalyptic number.

1201021201103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201021201103 is an equidigital number, since it uses as much as digits as its factorization.

1201021201103 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1201021201103 its reverse (3011021201021), we get a palindrome (4212042402124).

The spelling of 1201021201103 in words is "one trillion, two hundred one billion, twenty-one million, two hundred one thousand, one hundred three".