10331434041221 has 4 divisors (see below), whose sum is σ = 10687690387500. Its totient is φ = 9975177694944.

The previous prime is 10331434041211. The next prime is 10331434041241. The reversal of 10331434041221 is 12214043413301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4783030236196 + 5548403805025 = 2187014^2 + 2355505^2 .

It is a cyclic number.

It is not a de Polignac number, because 10331434041221 - 2²² = 10331429846917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 356256346249 = 10331434041221 / (1 + 0 + 3 + 3 + 1 + 4 + 3 + 4 + 0 + 4 + 1 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331434041211) 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, 178128173096 + ... + 178128173153.

It is an arithmetic number, because the mean of its divisors is an integer number (2671922596875).

Almost surely, 2^{10331434041221} is an apocalyptic number.

It is an amenable number.

10331434041221 is a deficient number, since it is larger than the sum of its proper divisors (356256346279).

10331434041221 is an equidigital number, since it uses as much as digits as its factorization.

10331434041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356256346278.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 10331434041221 its reverse (12214043413301), we get a palindrome (22545477454522).

The spelling of 10331434041221 in words is "ten trillion, three hundred thirty-one billion, four hundred thirty-four million, forty-one thousand, two hundred twenty-one".