2212120202122 has 4 divisors (see below), whose sum is σ = 3318180303186. Its totient is φ = 1106060101060.

The previous prime is 2212120202051. The next prime is 2212120202137. The reversal of 2212120202122 is 2212020212122.

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., 2201065992801 + 11054209321 = 1483599^2 + 105139^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2212120202122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553030050529 + ... + 553030050532.

Almost surely, 2^{2212120202122} is an apocalyptic number.

2212120202122 is a deficient number, since it is larger than the sum of its proper divisors (1106060101064).

2212120202122 is a wasteful number, since it uses less digits than its factorization.

2212120202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106060101063.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2212120202122 its reverse (2212020212122), we get a palindrome (4424140414244).

The spelling of 2212120202122 in words is "two trillion, two hundred twelve billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".