11420102105 has 4 divisors (see below), whose sum is σ = 13704122532. Its totient is φ = 9136081680.

The previous prime is 11420102101. The next prime is 11420102107. The reversal of 11420102105 is 50120102411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50120102411 = 43 ⋅1165583777.

It can be written as a sum of positive squares in 2 ways, for example, as 6795694096 + 4624408009 = 82436^2 + 68003^2 .

It is not a de Polignac number, because 11420102105 - 2² = 11420102101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420102101) 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, 1142010206 + ... + 1142010215.

It is an arithmetic number, because the mean of its divisors is an integer number (3426030633).

Almost surely, 2^11420102105 is an apocalyptic number.

It is an amenable number.

11420102105 is a deficient number, since it is larger than the sum of its proper divisors (2284020427).

11420102105 is an equidigital number, since it uses as much as digits as its factorization.

11420102105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284020426.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11420102105 its reverse (50120102411), we get a palindrome (61540204516).

The spelling of 11420102105 in words is "eleven billion, four hundred twenty million, one hundred two thousand, one hundred five".