2123311222122 has 8 divisors (see below), whose sum is σ = 4246622444256. Its totient is φ = 707770407372.

The previous prime is 2123311222033. The next prime is 2123311222177. The reversal of 2123311222122 is 2212221133212.

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

2123311222122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2123311222092 and 2123311222101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176942601838 + ... + 176942601849.

It is an arithmetic number, because the mean of its divisors is an integer number (530827805532).

Almost surely, 2^{2123311222122} is an apocalyptic number.

2123311222122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123311222122 is a wasteful number, since it uses less digits than its factorization.

2123311222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353885203692.

The product of its digits is 1152, while the sum is 24.

Adding to 2123311222122 its reverse (2212221133212), we get a palindrome (4335532355334).

The spelling of 2123311222122 in words is "two trillion, one hundred twenty-three billion, three hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".