20112210112211 has 8 divisors (see below), whose sum is σ = 23012779157760. Its totient is φ = 17218490109768.

The previous prime is 20112210112193. The next prime is 20112210112219. The reversal of 20112210112211 is 11221101221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112210112211 - 2⁶ = 20112210112147 is a prime.

It is a super-2 number, since 2×20112210112211² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20112210112211.

It is not an unprimeable number, because it can be changed into a prime (20112210112219) 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, 1712254481 + ... + 1712266226.

It is an arithmetic number, because the mean of its divisors is an integer number (2876597394720).

Almost surely, 2^{20112210112211} is an apocalyptic number.

20112210112211 is a deficient number, since it is larger than the sum of its proper divisors (2900569045549).

20112210112211 is an equidigital number, since it uses as much as digits as its factorization.

20112210112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424521553.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20112210112211 its reverse (11221101221102), we get a palindrome (31333311333313).

The spelling of 20112210112211 in words is "twenty trillion, one hundred twelve billion, two hundred ten million, one hundred twelve thousand, two hundred eleven".