1124213411021 has 2 divisors, whose sum is σ = 1124213411022. Its totient is φ = 1124213411020.

The previous prime is 1124213410979. The next prime is 1124213411023. The reversal of 1124213411021 is 1201143124211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781608055396 + 342605355625 = 884086^2 + 585325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124213411021 - 2³⁸ = 849335504077 is a prime.

It is a Sophie Germain prime.

Together with 1124213411023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124213411023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562106705510 + 562106705511.

It is an arithmetic number, because the mean of its divisors is an integer number (562106705511).

Almost surely, 2^{1124213411021} is an apocalyptic number.

It is an amenable number.

1124213411021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124213411021 is an equidigital number, since it uses as much as digits as its factorization.

1124213411021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1124213411021 its reverse (1201143124211), we get a palindrome (2325356535232).

The spelling of 1124213411021 in words is "one trillion, one hundred twenty-four billion, two hundred thirteen million, four hundred eleven thousand, twenty-one".