1052331242421 has 8 divisors (see below), whose sum is σ = 1403157584800. Its totient is φ = 701529530832.

The previous prime is 1052331242411. The next prime is 1052331242449. The reversal of 1052331242421 is 1242421332501.

It is a happy number.

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

It is not a de Polignac number, because 1052331242421 - 2⁹ = 1052331241909 is a prime.

It is a super-2 number, since 2×1052331242421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052331242411) 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, 6057775 + ... + 6229068.

It is an arithmetic number, because the mean of its divisors is an integer number (175394698100).

Almost surely, 2^{1052331242421} is an apocalyptic number.

It is an amenable number.

1052331242421 is a deficient number, since it is larger than the sum of its proper divisors (350826342379).

1052331242421 is a wasteful number, since it uses less digits than its factorization.

1052331242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315395.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1052331242421 its reverse (1242421332501), we get a palindrome (2294752574922).

The spelling of 1052331242421 in words is "one trillion, fifty-two billion, three hundred thirty-one million, two hundred forty-two thousand, four hundred twenty-one".