140043212101 has 16 divisors (see below), whose sum is σ = 155754869760. Its totient is φ = 125041109760.

The previous prime is 140043212077. The next prime is 140043212137. The reversal of 140043212101 is 101212340041.

It is a cyclic number.

It is not a de Polignac number, because 140043212101 - 2⁵ = 140043212069 is a prime.

It is a super-2 number, since 2×140043212101² (a number of 23 digits) 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 (140043212171) 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, 776376 + ... + 939598.

It is an arithmetic number, because the mean of its divisors is an integer number (9734679360).

Almost surely, 2^140043212101 is an apocalyptic number.

It is an amenable number.

140043212101 is a deficient number, since it is larger than the sum of its proper divisors (15711657659).

140043212101 is a wasteful number, since it uses less digits than its factorization.

140043212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165396.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 140043212101 its reverse (101212340041), we get a palindrome (241255552142).

The spelling of 140043212101 in words is "one hundred forty billion, forty-three million, two hundred twelve thousand, one hundred one".