2020100211111 has 128 divisors (see below), whose sum is σ = 3057368371200. Its totient is φ = 1180486379520.

The previous prime is 2020100211097. The next prime is 2020100211121. The reversal of 2020100211111 is 1111120010202.

It is not a de Polignac number, because 2020100211111 - 2³³ = 2011510276519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020100211121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2733558780 + ... + 2733559518.

It is an arithmetic number, because the mean of its divisors is an integer number (23885690400).

Almost surely, 2^{2020100211111} is an apocalyptic number.

2020100211111 is a deficient number, since it is larger than the sum of its proper divisors (1037268160089).

2020100211111 is a wasteful number, since it uses less digits than its factorization.

2020100211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469.

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

Adding to 2020100211111 its reverse (1111120010202), we get a palindrome (3131220221313).

The spelling of 2020100211111 in words is "two trillion, twenty billion, one hundred million, two hundred eleven thousand, one hundred eleven".