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11103012101 = 22948484769
BaseRepresentation
bin10100101011100101…
…01000010100000101
31001122210021110021102
422111302220110011
5140214332341401
65033424025445
7542100021446
oct122562502405
931583243242
1011103012101
1147883a7365
12219a462285
13107c38415c
147748472cd
1544eb3b56b
hex295ca8505

11103012101 has 4 divisors (see below), whose sum is σ = 11151497100. Its totient is φ = 11054527104.

The previous prime is 11103012097. The next prime is 11103012139. The reversal of 11103012101 is 10121030111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10121030111 = 16931597781.

It can be written as a sum of positive squares in 2 ways, for example, as 9513076225 + 1589935876 = 97535^2 + 39874^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103012101 - 22 = 11103012097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103012601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24242156 + ... + 24242613.

It is an arithmetic number, because the mean of its divisors is an integer number (2787874275).

Almost surely, 211103012101 is an apocalyptic number.

It is an amenable number.

11103012101 is a deficient number, since it is larger than the sum of its proper divisors (48484999).

11103012101 is an equidigital number, since it uses as much as digits as its factorization.

11103012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48484998.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11103012101 its reverse (10121030111), we get a palindrome (21224042212).

The spelling of 11103012101 in words is "eleven billion, one hundred three million, twelve thousand, one hundred one".

Divisors: 1 229 48484769 11103012101