1020020201099 has 8 divisors (see below), whose sum is σ = 1023086484288. Its totient is φ = 1016955478080.

The previous prime is 1020020201087. The next prime is 1020020201113. The reversal of 1020020201099 is 9901020200201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020020201099 - 2²⁴ = 1020003423883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020020201009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926159 + ... + 1702295.

It is an arithmetic number, because the mean of its divisors is an integer number (127885810536).

Almost surely, 2^{1020020201099} is an apocalyptic number.

1020020201099 is a deficient number, since it is larger than the sum of its proper divisors (3066283189).

1020020201099 is an equidigital number, since it uses as much as digits as its factorization.

1020020201099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780085.

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

The spelling of 1020020201099 in words is "one trillion, twenty billion, twenty million, two hundred one thousand, ninety-nine".