11221120020122 has 4 divisors (see below), whose sum is σ = 16831680030186. Its totient is φ = 5610560010060.

The previous prime is 11221120020079. The next prime is 11221120020181. The reversal of 11221120020122 is 22102002112211.

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., 9663089319601 + 1558030700521 = 3108551^2 + 1248211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11221120020122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805280005029 + ... + 2805280005032.

Almost surely, 2^{11221120020122} is an apocalyptic number.

11221120020122 is a deficient number, since it is larger than the sum of its proper divisors (5610560010064).

11221120020122 is an equidigital number, since it uses as much as digits as its factorization.

11221120020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610560010063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221120020122 its reverse (22102002112211), we get a palindrome (33323122132333).

The spelling of 11221120020122 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, twenty thousand, one hundred twenty-two".