1102011121 has 4 divisors (see below), whose sum is σ = 1149924672. Its totient is φ = 1054097572.

The previous prime is 1102011091. The next prime is 1102011187. The reversal of 1102011121 is 1211102011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1102011121 - 2¹⁹ = 1101486833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102011098 and 1102011107.

It is not an unprimeable number, because it can be changed into a prime (1102011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23956741 + ... + 23956786.

It is an arithmetic number, because the mean of its divisors is an integer number (287481168).

Almost surely, 2^1102011121 is an apocalyptic number.

It is an amenable number.

1102011121 is a deficient number, since it is larger than the sum of its proper divisors (47913551).

1102011121 is an equidigital number, since it uses as much as digits as its factorization.

1102011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47913550.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1102011121 is about 33196.5528481498. The cubic root of 1102011121 is about 1032.9088355470.

Adding to 1102011121 its reverse (1211102011), we get a palindrome (2313113132).

It can be divided in two parts, 1102011 and 121, that multiplied together give a palindrome (133343331).

The spelling of 1102011121 in words is "one billion, one hundred two million, eleven thousand, one hundred twenty-one".