20211110012012 has 24 divisors (see below), whose sum is σ = 38363412553200. Its totient is φ = 9279132285440.

The previous prime is 20211110012011. The next prime is 20211110012033. The reversal of 20211110012012 is 21021001111202.

It is not an unprimeable number, because it can be changed into a prime (20211110012011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3624658262 + ... + 3624663837.

It is an arithmetic number, because the mean of its divisors is an integer number (1598475523050).

Almost surely, 2^{20211110012012} is an apocalyptic number.

It is an amenable number.

20211110012012 is a deficient number, since it is larger than the sum of its proper divisors (18152302541188).

20211110012012 is a wasteful number, since it uses less digits than its factorization.

20211110012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249322161 (or 7249322159 counting only the distinct ones).

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

Adding to 20211110012012 its reverse (21021001111202), we get a palindrome (41232111123214).

The spelling of 20211110012012 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, twelve thousand, twelve".