140302231444221 has 64 divisors (see below), whose sum is σ = 241602688051200. Its totient is φ = 70307659699200.

The previous prime is 140302231444127. The next prime is 140302231444237. The reversal of 140302231444221 is 122444132203041.

It is not a de Polignac number, because 140302231444221 - 2¹⁰ = 140302231443197 is a prime.

It is a super-2 number, since 2×140302231444221² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140302231440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82381111 + ... + 84066948.

It is an arithmetic number, because the mean of its divisors is an integer number (3775042000800).

Almost surely, 2^{140302231444221} is an apocalyptic number.

140302231444221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140302231444221 is a deficient number, since it is larger than the sum of its proper divisors (101300456606979).

140302231444221 is a wasteful number, since it uses less digits than its factorization.

140302231444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166448210.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 140302231444221 its reverse (122444132203041), we get a palindrome (262746363647262).

The spelling of 140302231444221 in words is "one hundred forty trillion, three hundred two billion, two hundred thirty-one million, four hundred forty-four thousand, two hundred twenty-one".