2211212121122 has 8 divisors (see below), whose sum is σ = 3423812316672. Its totient is φ = 1069941348900.

The previous prime is 2211212121109. The next prime is 2211212121127.

2211212121122 is nontrivially palindromic in base 10.

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

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 = 2211212121094 and 2211212121103.

It is not an unprimeable number, because it can be changed into a prime (2211212121127) 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, 17832355754 + ... + 17832355877.

It is an arithmetic number, because the mean of its divisors is an integer number (427976539584).

Almost surely, 2^{2211212121122} is an apocalyptic number.

2211212121122 is a deficient number, since it is larger than the sum of its proper divisors (1212600195550).

2211212121122 is a wasteful number, since it uses less digits than its factorization.

2211212121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35664711664.

The product of its digits is 128, while the sum is 20.

The spelling of 2211212121122 in words is "two trillion, two hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty-two".