2221313214122 has 4 divisors (see below), whose sum is σ = 3331969821186. Its totient is φ = 1110656607060.

The previous prime is 2221313214089. The next prime is 2221313214139. The reversal of 2221313214122 is 2214123131222.

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., 1368902340001 + 852410874121 = 1170001^2 + 923261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221313214091 and 2221313214100.

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, 555328303529 + ... + 555328303532.

Almost surely, 2^{2221313214122} is an apocalyptic number.

2221313214122 is a deficient number, since it is larger than the sum of its proper divisors (1110656607064).

2221313214122 is a wasteful number, since it uses less digits than its factorization.

2221313214122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110656607063.

The product of its digits is 2304, while the sum is 26.

Adding to 2221313214122 its reverse (2214123131222), we get a palindrome (4435436345344).

The spelling of 2221313214122 in words is "two trillion, two hundred twenty-one billion, three hundred thirteen million, two hundred fourteen thousand, one hundred twenty-two".