1111200120241 has 2 divisors, whose sum is σ = 1111200120242. Its totient is φ = 1111200120240.

The previous prime is 1111200120227. The next prime is 1111200120259. The reversal of 1111200120241 is 1420210021111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102122032400 + 9078087841 = 1049820^2 + 95279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111200120241 - 2¹³ = 1111200112049 is a prime.

It is a super-2 number, since 2×1111200120241² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111200120941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555600060120 + 555600060121.

It is an arithmetic number, because the mean of its divisors is an integer number (555600060121).

Almost surely, 2^{1111200120241} is an apocalyptic number.

It is an amenable number.

1111200120241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111200120241 is an equidigital number, since it uses as much as digits as its factorization.

1111200120241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111200120241 its reverse (1420210021111), we get a palindrome (2531410141352).

The spelling of 1111200120241 in words is "one trillion, one hundred eleven billion, two hundred million, one hundred twenty thousand, two hundred forty-one".