20002012210111 has 16 divisors (see below), whose sum is σ = 20309796299520. Its totient is φ = 19695829227520.

The previous prime is 20002012210099. The next prime is 20002012210139. The reversal of 20002012210111 is 11101221020002.

It is a cyclic number.

It is not a de Polignac number, because 20002012210111 - 2²⁵ = 20001978655679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002012210091 and 20002012210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002012210811) 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, 404800575 + ... + 404849983.

It is an arithmetic number, because the mean of its divisors is an integer number (1269362268720).

Almost surely, 2^{20002012210111} is an apocalyptic number.

20002012210111 is a deficient number, since it is larger than the sum of its proper divisors (307784089409).

20002012210111 is a wasteful number, since it uses less digits than its factorization.

20002012210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65486.

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

Adding to 20002012210111 its reverse (11101221020002), we get a palindrome (31103233230113).

The spelling of 20002012210111 in words is "twenty trillion, two billion, twelve million, two hundred ten thousand, one hundred eleven".