105140101 has 4 divisors (see below), whose sum is σ = 114698304. Its totient is φ = 95581900.

The previous prime is 105140099. The next prime is 105140111. The reversal of 105140101 is 101041501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101041501 = 11 ⋅9185591.

It is a cyclic number.

It is not a de Polignac number, because 105140101 - 2¹ = 105140099 is a prime.

It is a super-2 number, since 2×105140101² = 22108881676580402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105140111) 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, 4779085 + ... + 4779106.

It is an arithmetic number, because the mean of its divisors is an integer number (28674576).

Almost surely, 2^105140101 is an apocalyptic number.

105140101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105140101 is a deficient number, since it is larger than the sum of its proper divisors (9558203).

105140101 is an equidigital number, since it uses as much as digits as its factorization.

105140101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9558202.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 105140101 is about 10253.7847158988. The cubic root of 105140101 is about 471.9791313310.

Adding to 105140101 its reverse (101041501), we get a palindrome (206181602).

The spelling of 105140101 in words is "one hundred five million, one hundred forty thousand, one hundred one".