140121043040105 has 16 divisors (see below), whose sum is σ = 175358666187264. Its totient is φ = 107362448663040.

The previous prime is 140121043040101. The next prime is 140121043040197. The reversal of 140121043040105 is 501040340121041.

It is not a de Polignac number, because 140121043040105 - 2² = 140121043040101 is a prime.

It is a super-2 number, since 2×140121043040105² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140121043040101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4659813467 + ... + 4659843536.

It is an arithmetic number, because the mean of its divisors is an integer number (10959916636704).

Almost surely, 2^{140121043040105} is an apocalyptic number.

It is an amenable number.

140121043040105 is a deficient number, since it is larger than the sum of its proper divisors (35237623147159).

140121043040105 is an equidigital number, since it uses as much as digits as its factorization.

140121043040105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9319657136.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 140121043040105 its reverse (501040340121041), we get a palindrome (641161383161146).

The spelling of 140121043040105 in words is "one hundred forty trillion, one hundred twenty-one billion, forty-three million, forty thousand, one hundred five".