1020202001099 has 16 divisors (see below), whose sum is σ = 1048051768320. Its totient is φ = 992736064320.

The previous prime is 1020202001047. The next prime is 1020202001129. The reversal of 1020202001099 is 9901002020201.

It is a happy number.

1020202001099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020202001099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020202001699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15914399 + ... + 15978375.

It is an arithmetic number, because the mean of its divisors is an integer number (65503235520).

Almost surely, 2^{1020202001099} is an apocalyptic number.

1020202001099 is a deficient number, since it is larger than the sum of its proper divisors (27849767221).

1020202001099 is an equidigital number, since it uses as much as digits as its factorization.

1020202001099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66970.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 1020202001099 in words is "one trillion, twenty billion, two hundred two million, one thousand, ninety-nine".