20120112010211 has 4 divisors (see below), whose sum is σ = 20224361295432. Its totient is φ = 20015862724992.

The previous prime is 20120112010189. The next prime is 20120112010241. The reversal of 20120112010211 is 11201021102102.

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-20120112010211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120112010241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52124642321 + ... + 52124642706.

It is an arithmetic number, because the mean of its divisors is an integer number (5056090323858).

Almost surely, 2^{20120112010211} is an apocalyptic number.

20120112010211 is a deficient number, since it is larger than the sum of its proper divisors (104249285221).

20120112010211 is a wasteful number, since it uses less digits than its factorization.

20120112010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104249285220.

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

Adding to 20120112010211 its reverse (11201021102102), we get a palindrome (31321133112313).

The spelling of 20120112010211 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, ten thousand, two hundred eleven".