20211041423111 has 96 divisors (see below), whose sum is σ = 27009367956480. Its totient is φ = 14761679708160.

The previous prime is 20211041423107. The next prime is 20211041423137. The reversal of 20211041423111 is 11132414011202.

It is not a de Polignac number, because 20211041423111 - 2² = 20211041423107 is a prime.

It is a super-2 number, since 2×20211041423111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211041423411) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2050420295 + ... + 2050430151.

It is an arithmetic number, because the mean of its divisors is an integer number (281347582880).

Almost surely, 2^{20211041423111} is an apocalyptic number.

20211041423111 is a deficient number, since it is larger than the sum of its proper divisors (6798326533369).

20211041423111 is a wasteful number, since it uses less digits than its factorization.

20211041423111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245 (or 11234 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 20211041423111 its reverse (11132414011202), we get a palindrome (31343455434313).

The spelling of 20211041423111 in words is "twenty trillion, two hundred eleven billion, forty-one million, four hundred twenty-three thousand, one hundred eleven".