1022020099999 has 2 divisors, whose sum is σ = 1022020100000. Its totient is φ = 1022020099998.

The previous prime is 1022020099993. The next prime is 1022020100119. The reversal of 1022020099999 is 9999900202201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022020099999 - 2⁵ = 1022020099967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022020099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511010049999 + 511010050000.

It is an arithmetic number, because the mean of its divisors is an integer number (511010050000).

Almost surely, 2^{1022020099999} is an apocalyptic number.

1022020099999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022020099999 is an equidigital number, since it uses as much as digits as its factorization.

1022020099999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 1022020099999 in words is "one trillion, twenty-two billion, twenty million, ninety-nine thousand, nine hundred ninety-nine".