10533121442 has 8 divisors (see below), whose sum is σ = 16058693532. Its totient is φ = 5180223600.

The previous prime is 10533121439. The next prime is 10533121471. The reversal of 10533121442 is 24412133501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10036232761 + 496888681 = 100181^2 + 22291^2 .

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

It is a super-2 number, since 2×10533121442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43168409 + ... + 43168652.

Almost surely, 2^10533121442 is an apocalyptic number.

10533121442 is a deficient number, since it is larger than the sum of its proper divisors (5525572090).

10533121442 is an equidigital number, since it uses as much as digits as its factorization.

10533121442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86337124.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 10533121442 its reverse (24412133501), we get a palindrome (34945254943).

The spelling of 10533121442 in words is "ten billion, five hundred thirty-three million, one hundred twenty-one thousand, four hundred forty-two".