4311122421 has 8 divisors (see below), whose sum is σ = 5748482880. Its totient is φ = 2873921792.

The previous prime is 4311122419. The next prime is 4311122527. The reversal of 4311122421 is 1242211134.

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

It is a cyclic number.

It is not a de Polignac number, because 4311122421 - 2¹ = 4311122419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311122411) 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, 55696 + ... + 108278.

It is an arithmetic number, because the mean of its divisors is an integer number (718560360).

Almost surely, 2^4311122421 is an apocalyptic number.

It is an amenable number.

4311122421 is a deficient number, since it is larger than the sum of its proper divisors (1437360459).

4311122421 is a wasteful number, since it uses less digits than its factorization.

4311122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79915.

The product of its digits is 384, while the sum is 21.

The square root of 4311122421 is about 65659.1381378099. The cubic root of 4311122421 is about 1627.5341818819.

Adding to 4311122421 its reverse (1242211134), we get a palindrome (5553333555).

The spelling of 4311122421 in words is "four billion, three hundred eleven million, one hundred twenty-two thousand, four hundred twenty-one".