402211320140021 has 8 divisors (see below), whose sum is σ = 459688926244224. Its totient is φ = 344738425556880.

The previous prime is 402211320139969. The next prime is 402211320140041. The reversal of 402211320140021 is 120041023112204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402211320140021 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 (402211320140041) 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 7 ways as a sum of consecutive naturals, for example, 1177697330 + ... + 1178038803.

It is an arithmetic number, because the mean of its divisors is an integer number (57461115780528).

Almost surely, 2^{402211320140021} is an apocalyptic number.

It is an amenable number.

402211320140021 is a deficient number, since it is larger than the sum of its proper divisors (57477606104203).

402211320140021 is a wasteful number, since it uses less digits than its factorization.

402211320140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355760531.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 402211320140021 its reverse (120041023112204), we get a palindrome (522252343252225).

The spelling of 402211320140021 in words is "four hundred two trillion, two hundred eleven billion, three hundred twenty million, one hundred forty thousand, twenty-one".