20110020202111 has 8 divisors (see below), whose sum is σ = 22987516720160. Its totient is φ = 17233682806368.

The previous prime is 20110020202099. The next prime is 20110020202121. The reversal of 20110020202111 is 11120202001102.

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

It is not a de Polignac number, because 20110020202111 - 2¹⁹ = 20110019677823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110020202091 and 20110020202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110020202121) 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, 289743396 + ... + 289812793.

It is an arithmetic number, because the mean of its divisors is an integer number (2873439590020).

Almost surely, 2^{20110020202111} is an apocalyptic number.

20110020202111 is a deficient number, since it is larger than the sum of its proper divisors (2877496518049).

20110020202111 is an equidigital number, since it uses as much as digits as its factorization.

20110020202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579561153.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110020202111 its reverse (11120202001102), we get a palindrome (31230222203213).

The spelling of 20110020202111 in words is "twenty trillion, one hundred ten billion, twenty million, two hundred two thousand, one hundred eleven".