1021099007707 has 2 divisors, whose sum is σ = 1021099007708. Its totient is φ = 1021099007706.

The previous prime is 1021099007633. The next prime is 1021099007729. The reversal of 1021099007707 is 7077009901201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021099007707 - 2¹¹ = 1021099005659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021099001707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510549503853 + 510549503854.

It is an arithmetic number, because the mean of its divisors is an integer number (510549503854).

Almost surely, 2^{1021099007707} is an apocalyptic number.

1021099007707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021099007707 is an equidigital number, since it uses as much as digits as its factorization.

1021099007707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566, while the sum is 43.

The spelling of 1021099007707 in words is "one trillion, twenty-one billion, ninety-nine million, seven thousand, seven hundred seven".