2124205544651 has 2 divisors, whose sum is σ = 2124205544652. Its totient is φ = 2124205544650.

The previous prime is 2124205544501. The next prime is 2124205544677. The reversal of 2124205544651 is 1564455024212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2124205544651 - 2³⁴ = 2107025675467 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2124205544599 and 2124205544608.

It is not a weakly prime, because it can be changed into another prime (2124205544051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062102772325 + 1062102772326.

It is an arithmetic number, because the mean of its divisors is an integer number (1062102772326).

Almost surely, 2^{2124205544651} is an apocalyptic number.

2124205544651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124205544651 is an equidigital number, since it uses as much as digits as its factorization.

2124205544651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 2124205544651 in words is "two trillion, one hundred twenty-four billion, two hundred five million, five hundred forty-four thousand, six hundred fifty-one".