140420220321321 has 12 divisors (see below), whose sum is σ = 202829613138672. Its totient is φ = 93613292825976.

The previous prime is 140420220321319. The next prime is 140420220321341. The reversal of 140420220321321 is 123123022024041.

140420220321321 is a `hidden beast` number, since 1 + 4 + 0 + 420 + 2 + 2 + 0 + 3 + 213 + 21 = 666.

It is not a de Polignac number, because 140420220321321 - 2¹ = 140420220321319 is a prime.

It is a super-2 number, since 2×140420220321321² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140420220321341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10791331 + ... + 19932216.

It is an arithmetic number, because the mean of its divisors is an integer number (16902467761556).

Almost surely, 2^{140420220321321} is an apocalyptic number.

It is an amenable number.

140420220321321 is a deficient number, since it is larger than the sum of its proper divisors (62409392817351).

140420220321321 is a wasteful number, since it uses less digits than its factorization.

140420220321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31231380 (or 31231377 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140420220321321 its reverse (123123022024041), we get a palindrome (263543242345362).

The spelling of 140420220321321 in words is "one hundred forty trillion, four hundred twenty billion, two hundred twenty million, three hundred twenty-one thousand, three hundred twenty-one".