2212112201122 has 4 divisors (see below), whose sum is σ = 3318168301686. Its totient is φ = 1106056100560.

The previous prime is 2212112201087. The next prime is 2212112201129. The reversal of 2212112201122 is 2211022112122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1541349563121 + 670762638001 = 1241511^2 + 819001^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2212112201122.

It is not an unprimeable number, because it can be changed into a prime (2212112201129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553028050279 + ... + 553028050282.

Almost surely, 2^{2212112201122} is an apocalyptic number.

2212112201122 is a deficient number, since it is larger than the sum of its proper divisors (1106056100564).

2212112201122 is a wasteful number, since it uses less digits than its factorization.

2212112201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106056100563.

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

Adding to 2212112201122 its reverse (2211022112122), we get a palindrome (4423134313244).

The spelling of 2212112201122 in words is "two trillion, two hundred twelve billion, one hundred twelve million, two hundred one thousand, one hundred twenty-two".