20020111010099 has 4 divisors (see below), whose sum is σ = 20029479337464. Its totient is φ = 20010742682736.

The previous prime is 20020111010071. The next prime is 20020111010143. The reversal of 20020111010099 is 99001011102002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020111010099 - 2²⁴ = 20020094232883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020111310099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4684160477 + ... + 4684164750.

It is an arithmetic number, because the mean of its divisors is an integer number (5007369834366).

Almost surely, 2^{20020111010099} is an apocalyptic number.

20020111010099 is a deficient number, since it is larger than the sum of its proper divisors (9368327365).

20020111010099 is an equidigital number, since it uses as much as digits as its factorization.

20020111010099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9368327364.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 20020111010099 in words is "twenty trillion, twenty billion, one hundred eleven million, ten thousand, ninety-nine".