140223420213221 has 16 divisors (see below), whose sum is σ = 142749080064000. Its totient is φ = 137716889310000.

The previous prime is 140223420213169. The next prime is 140223420213263. The reversal of 140223420213221 is 122312024322041.

It is a cyclic number.

It is not a de Polignac number, because 140223420213221 - 2²⁶ = 140223353104357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223420713221) 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, 59383496 + ... + 61699646.

It is an arithmetic number, because the mean of its divisors is an integer number (8921817504000).

Almost surely, 2^{140223420213221} is an apocalyptic number.

It is an amenable number.

140223420213221 is a deficient number, since it is larger than the sum of its proper divisors (2525659850779).

140223420213221 is a wasteful number, since it uses less digits than its factorization.

140223420213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320280.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140223420213221 its reverse (122312024322041), we get a palindrome (262535444535262).

The spelling of 140223420213221 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred twenty million, two hundred thirteen thousand, two hundred twenty-one".