52021212411 has 8 divisors (see below), whose sum is σ = 79270418944. Its totient is φ = 29726407080.

The previous prime is 52021212401. The next prime is 52021212413. The reversal of 52021212411 is 11421212025.

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

It is not a de Polignac number, because 52021212411 - 2⁵ = 52021212379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2477200591 = 52021212411 / (5 + 2 + 0 + 2 + 1 + 2 + 1 + 2 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52021212413) 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, 1238600275 + ... + 1238600316.

It is an arithmetic number, because the mean of its divisors is an integer number (9908802368).

Almost surely, 2^52021212411 is an apocalyptic number.

52021212411 is a deficient number, since it is larger than the sum of its proper divisors (27249206533).

52021212411 is a wasteful number, since it uses less digits than its factorization.

52021212411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477200601.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 52021212411 its reverse (11421212025), we get a palindrome (63442424436).

The spelling of 52021212411 in words is "fifty-two billion, twenty-one million, two hundred twelve thousand, four hundred eleven".