1103121223101 has 12 divisors (see below), whose sum is σ = 1593499541920. Its totient is φ = 735366970440.

The previous prime is 1103121223093. The next prime is 1103121223109. The reversal of 1103121223101 is 1013221213011.

1103121223101 is a `hidden beast` number, since 110 + 31 + 212 + 2 + 310 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1103121223093) and next prime (1103121223109).

It is not a de Polignac number, because 1103121223101 - 2³ = 1103121223093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103121223109) 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 11 ways as a sum of consecutive naturals, for example, 3783145 + ... + 4064286.

Almost surely, 2^{1103121223101} is an apocalyptic number.

It is an amenable number.

1103121223101 is a deficient number, since it is larger than the sum of its proper divisors (490378318819).

1103121223101 is a wasteful number, since it uses less digits than its factorization.

1103121223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863056 (or 7863053 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1103121223101 its reverse (1013221213011), we get a palindrome (2116342436112).

The spelling of 1103121223101 in words is "one trillion, one hundred three billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred one".