1121101111201 has 8 divisors (see below), whose sum is σ = 1142123649408. Its totient is φ = 1100163858000.

The previous prime is 1121101111127. The next prime is 1121101111223. The reversal of 1121101111201 is 1021111011211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121101111201 - 2¹⁹ = 1121100586913 is a prime.

It is a super-2 number, since 2×1121101111201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121101111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21294715 + ... + 21347296.

It is an arithmetic number, because the mean of its divisors is an integer number (142765456176).

Almost surely, 2^{1121101111201} is an apocalyptic number.

It is an amenable number.

1121101111201 is a deficient number, since it is larger than the sum of its proper divisors (21022538207).

1121101111201 is an equidigital number, since it uses as much as digits as its factorization.

1121101111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42642503.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121101111201 its reverse (1021111011211), we get a palindrome (2142212122412).

The spelling of 1121101111201 in words is "one trillion, one hundred twenty-one billion, one hundred one million, one hundred eleven thousand, two hundred one".