140105102420111 has 4 divisors (see below), whose sum is σ = 140105469211992. Its totient is φ = 140104735628232.

The previous prime is 140105102420089. The next prime is 140105102420113. The reversal of 140105102420111 is 111024201501041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140105102420111 - 2²⁶ = 140105035311247 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 (140105102420113) 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, 182822381 + ... + 183587126.

It is an arithmetic number, because the mean of its divisors is an integer number (35026367302998).

Almost surely, 2^{140105102420111} is an apocalyptic number.

140105102420111 is a deficient number, since it is larger than the sum of its proper divisors (366791881).

140105102420111 is an equidigital number, since it uses as much as digits as its factorization.

140105102420111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366791880.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 140105102420111 its reverse (111024201501041), we get a palindrome (251129303921152).

The spelling of 140105102420111 in words is "one hundred forty trillion, one hundred five billion, one hundred two million, four hundred twenty thousand, one hundred eleven".