20200111101 has 8 divisors (see below), whose sum is σ = 29926090560. Its totient is φ = 13466740716.

The previous prime is 20200111081. The next prime is 20200111103. The reversal of 20200111101 is 10111100202.

It is a happy number.

It is not a de Polignac number, because 20200111101 - 2⁵ = 20200111069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374076105 + ... + 374076158.

It is an arithmetic number, because the mean of its divisors is an integer number (3740761320).

Almost surely, 2^20200111101 is an apocalyptic number.

It is an amenable number.

20200111101 is a deficient number, since it is larger than the sum of its proper divisors (9725979459).

20200111101 is an equidigital number, since it uses as much as digits as its factorization.

20200111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748152272 (or 748152266 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20200111101 its reverse (10111100202), we get a palindrome (30311211303).

The spelling of 20200111101 in words is "twenty billion, two hundred million, one hundred eleven thousand, one hundred one".