1020101219999 has 2 divisors, whose sum is σ = 1020101220000. Its totient is φ = 1020101219998.

The previous prime is 1020101219953. The next prime is 1020101220067. The reversal of 1020101219999 is 9999121010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020101219999 - 2¹⁶ = 1020101154463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020101219909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510050609999 + 510050610000.

It is an arithmetic number, because the mean of its divisors is an integer number (510050610000).

Almost surely, 2^{1020101219999} is an apocalyptic number.

1020101219999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020101219999 is an equidigital number, since it uses as much as digits as its factorization.

1020101219999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 1020101219999 in words is "one trillion, twenty billion, one hundred one million, two hundred nineteen thousand, nine hundred ninety-nine".