1203300221111 has 2 divisors, whose sum is σ = 1203300221112. Its totient is φ = 1203300221110.

The previous prime is 1203300221107. The next prime is 1203300221147. The reversal of 1203300221111 is 1111220033021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203300221111 - 2² = 1203300221107 is a prime.

It is a super-4 number, since 4×1203300221111⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a self number, because there is not a number n which added to its sum of digits gives 1203300221111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203300221911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601650110555 + 601650110556.

It is an arithmetic number, because the mean of its divisors is an integer number (601650110556).

Almost surely, 2^{1203300221111} is an apocalyptic number.

1203300221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203300221111 is an equidigital number, since it uses as much as digits as its factorization.

1203300221111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1203300221111 its reverse (1111220033021), we get a palindrome (2314520254132).

The spelling of 1203300221111 in words is "one trillion, two hundred three billion, three hundred million, two hundred twenty-one thousand, one hundred eleven".