140123044031221 has 8 divisors (see below), whose sum is σ = 148974130488960. Its totient is φ = 131501855923152.

The previous prime is 140123044031209. The next prime is 140123044031227. The reversal of 140123044031221 is 122130440321041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140123044031221 - 2⁴³ = 131326951009013 is a prime.

It is a super-2 number, since 2×140123044031221² (a number of 29 digits) contains 22 as substring.

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 140123044031221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140123044031227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57474586161 + ... + 57474588598.

It is an arithmetic number, because the mean of its divisors is an integer number (18621766311120).

Almost surely, 2^{140123044031221} is an apocalyptic number.

It is an amenable number.

140123044031221 is a deficient number, since it is larger than the sum of its proper divisors (8851086457739).

140123044031221 is a wasteful number, since it uses less digits than its factorization.

140123044031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114949174835.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 140123044031221 its reverse (122130440321041), we get a palindrome (262253484352262).

The spelling of 140123044031221 in words is "one hundred forty trillion, one hundred twenty-three billion, forty-four million, thirty-one thousand, two hundred twenty-one".