1121202101111 has 2 divisors, whose sum is σ = 1121202101112. Its totient is φ = 1121202101110.

The previous prime is 1121202101101. The next prime is 1121202101147. The reversal of 1121202101111 is 1111012021211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121202101111 - 2¹⁴ = 1121202084727 is a prime.

It is a super-3 number, since 3×1121202101111³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121202101101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560601050555 + 560601050556.

It is an arithmetic number, because the mean of its divisors is an integer number (560601050556).

Almost surely, 2^{1121202101111} is an apocalyptic number.

1121202101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121202101111 is an equidigital number, since it uses as much as digits as its factorization.

1121202101111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121202101111 its reverse (1111012021211), we get a palindrome (2232214122322).

The spelling of 1121202101111 in words is "one trillion, one hundred twenty-one billion, two hundred two million, one hundred one thousand, one hundred eleven".