20200012210111 has 4 divisors (see below), whose sum is σ = 20243267054712. Its totient is φ = 20156757365512.

The previous prime is 20200012210073. The next prime is 20200012210123. The reversal of 20200012210111 is 11101221000202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200012210111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200012210091 and 20200012210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200012210811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21627421600 + ... + 21627422533.

It is an arithmetic number, because the mean of its divisors is an integer number (5060816763678).

Almost surely, 2^{20200012210111} is an apocalyptic number.

20200012210111 is a deficient number, since it is larger than the sum of its proper divisors (43254844601).

20200012210111 is an equidigital number, since it uses as much as digits as its factorization.

20200012210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43254844600.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20200012210111 its reverse (11101221000202), we get a palindrome (31301233210313).

The spelling of 20200012210111 in words is "twenty trillion, two hundred billion, twelve million, two hundred ten thousand, one hundred eleven".