20200111021101 has 64 divisors (see below), whose sum is σ = 30691196669952. Its totient is φ = 11710601280000.

The previous prime is 20200111021093. The next prime is 20200111021147. The reversal of 20200111021101 is 10112011100202.

It is not a de Polignac number, because 20200111021101 - 2³ = 20200111021093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200111021201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16806520 + ... + 17968286.

It is an arithmetic number, because the mean of its divisors is an integer number (479549947968).

Almost surely, 2^{20200111021101} is an apocalyptic number.

It is an amenable number.

20200111021101 is a deficient number, since it is larger than the sum of its proper divisors (10491085648851).

20200111021101 is a wasteful number, since it uses less digits than its factorization.

20200111021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162074.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20200111021101 its reverse (10112011100202), we get a palindrome (30312122121303).

The spelling of 20200111021101 in words is "twenty trillion, two hundred billion, one hundred eleven million, twenty-one thousand, one hundred one".