2121333103907 has 2 divisors, whose sum is σ = 2121333103908. Its totient is φ = 2121333103906.

The previous prime is 2121333103843. The next prime is 2121333103913. The reversal of 2121333103907 is 7093013331212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121333103907 - 2⁶ = 2121333103843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121333103807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060666551953 + 1060666551954.

It is an arithmetic number, because the mean of its divisors is an integer number (1060666551954).

Almost surely, 2^{2121333103907} is an apocalyptic number.

2121333103907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121333103907 is an equidigital number, since it uses as much as digits as its factorization.

2121333103907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 2121333103907 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-three million, one hundred three thousand, nine hundred seven".