2241002133421 has 4 divisors (see below), whose sum is σ = 2241006476092. Its totient is φ = 2240997790752.

The previous prime is 2241002133407. The next prime is 2241002133457. The reversal of 2241002133421 is 1243312001422.

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 1422320997321 + 818681136100 = 1192611^2 + 904810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241002133421 - 2²¹ = 2241000036269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241002433421) 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, 1273530 + ... + 2470603.

It is an arithmetic number, because the mean of its divisors is an integer number (560251619023).

Almost surely, 2^{2241002133421} is an apocalyptic number.

It is an amenable number.

2241002133421 is a deficient number, since it is larger than the sum of its proper divisors (4342671).

2241002133421 is an equidigital number, since it uses as much as digits as its factorization.

2241002133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342670.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2241002133421 its reverse (1243312001422), we get a palindrome (3484314134843).

The spelling of 2241002133421 in words is "two trillion, two hundred forty-one billion, two million, one hundred thirty-three thousand, four hundred twenty-one".