20212000112111 has 16 divisors (see below), whose sum is σ = 20440362700800. Its totient is φ = 19984837080000.

The previous prime is 20212000112011. The next prime is 20212000112147. The reversal of 20212000112111 is 11121100021202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212000112111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212000112011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554053970 + ... + 554090448.

It is an arithmetic number, because the mean of its divisors is an integer number (1277522668800).

Almost surely, 2^{20212000112111} is an apocalyptic number.

20212000112111 is a deficient number, since it is larger than the sum of its proper divisors (228362588689).

20212000112111 is a wasteful number, since it uses less digits than its factorization.

20212000112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52750.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20212000112111 its reverse (11121100021202), we get a palindrome (31333100133313).

Subtracting from 20212000112111 its reverse (11121100021202), we obtain a palindrome (9090900090909).

The spelling of 20212000112111 in words is "twenty trillion, two hundred twelve billion, one hundred twelve thousand, one hundred eleven".