1020352331121 has 4 divisors (see below), whose sum is σ = 1360469774832. Its totient is φ = 680234887412.

The previous prime is 1020352331107. The next prime is 1020352331179. The reversal of 1020352331121 is 1211332530201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020352331121 - 2¹⁰ = 1020352330097 is a prime.

It is a super-2 number, since 2×1020352331121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020352331091 and 1020352331100.

It is not an unprimeable number, because it can be changed into a prime (1020352231121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170058721851 + ... + 170058721856.

It is an arithmetic number, because the mean of its divisors is an integer number (340117443708).

Almost surely, 2^{1020352331121} is an apocalyptic number.

It is an amenable number.

1020352331121 is a deficient number, since it is larger than the sum of its proper divisors (340117443711).

1020352331121 is an equidigital number, since it uses as much as digits as its factorization.

1020352331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340117443710.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1020352331121 its reverse (1211332530201), we get a palindrome (2231684861322).

The spelling of 1020352331121 in words is "one trillion, twenty billion, three hundred fifty-two million, three hundred thirty-one thousand, one hundred twenty-one".