2123130622441 has 4 divisors (see below), whose sum is σ = 2123746204500. Its totient is φ = 2122515040384.

The previous prime is 2123130622409. The next prime is 2123130622447. The reversal of 2123130622441 is 1442260313212.

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 421921698025 + 1701208924416 = 649555^2 + 1304304^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123130622441 - 2⁵ = 2123130622409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123130622447) 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, 307785856 + ... + 307792753.

It is an arithmetic number, because the mean of its divisors is an integer number (530936551125).

Almost surely, 2^{2123130622441} is an apocalyptic number.

It is an amenable number.

2123130622441 is a deficient number, since it is larger than the sum of its proper divisors (615582059).

2123130622441 is an equidigital number, since it uses as much as digits as its factorization.

2123130622441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615582058.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 2123130622441 its reverse (1442260313212), we get a palindrome (3565390935653).

The spelling of 2123130622441 in words is "two trillion, one hundred twenty-three billion, one hundred thirty million, six hundred twenty-two thousand, four hundred forty-one".