2211254322122 has 4 divisors (see below), whose sum is σ = 3316881483186. Its totient is φ = 1105627161060.

The previous prime is 2211254322107. The next prime is 2211254322149. The reversal of 2211254322122 is 2212234521122.

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., 2186964787921 + 24289534201 = 1478839^2 + 155851^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552813580529 + ... + 552813580532.

Almost surely, 2^{2211254322122} is an apocalyptic number.

2211254322122 is a deficient number, since it is larger than the sum of its proper divisors (1105627161064).

2211254322122 is a wasteful number, since it uses less digits than its factorization.

2211254322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105627161063.

The product of its digits is 7680, while the sum is 29.

Adding to 2211254322122 its reverse (2212234521122), we get a palindrome (4423488843244).

The spelling of 2211254322122 in words is "two trillion, two hundred eleven billion, two hundred fifty-four million, three hundred twenty-two thousand, one hundred twenty-two".