2012122122211 has 8 divisors (see below), whose sum is σ = 2018079564480. Its totient is φ = 2006170181928.

The previous prime is 2012122122203. The next prime is 2012122122217. The reversal of 2012122122211 is 1122212212102.

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 2012122122211 - 2³ = 2012122122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012122122217) 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, 642421 + ... + 2106406.

It is an arithmetic number, because the mean of its divisors is an integer number (252259945560).

Almost surely, 2^{2012122122211} is an apocalyptic number.

2012122122211 is a deficient number, since it is larger than the sum of its proper divisors (5957442269).

2012122122211 is a wasteful number, since it uses less digits than its factorization.

2012122122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750993.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2012122122211 its reverse (1122212212102), we get a palindrome (3134334334313).

The spelling of 2012122122211 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred eleven".