140021104121 has 16 divisors (see below), whose sum is σ = 146927753280. Its totient is φ = 133287463680.

The previous prime is 140021104103. The next prime is 140021104159. The reversal of 140021104121 is 121401120041.

It is a cyclic number.

It is not a de Polignac number, because 140021104121 - 2¹⁴ = 140021087737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140021104121.

It is not an unprimeable number, because it can be changed into a prime (140021104021) 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, 1638470 + ... + 1721808.

It is an arithmetic number, because the mean of its divisors is an integer number (9182984580).

Almost surely, 2^140021104121 is an apocalyptic number.

It is an amenable number.

140021104121 is a deficient number, since it is larger than the sum of its proper divisors (6906649159).

140021104121 is an equidigital number, since it uses as much as digits as its factorization.

140021104121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84376.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 140021104121 its reverse (121401120041), we get a palindrome (261422224162).

The spelling of 140021104121 in words is "one hundred forty billion, twenty-one million, one hundred four thousand, one hundred twenty-one".