11222120021122 has 4 divisors (see below), whose sum is σ = 16833180031686. Its totient is φ = 5611060010560.

The previous prime is 11222120021117. The next prime is 11222120021209. The reversal of 11222120021122 is 22112002122211.

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., 7780534788321 + 3441585232801 = 2789361^2 + 1855151^2 .

It is a super-2 number, since 2×11222120021122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11222120021122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805530005279 + ... + 2805530005282.

Almost surely, 2^{11222120021122} is an apocalyptic number.

11222120021122 is a deficient number, since it is larger than the sum of its proper divisors (5611060010564).

11222120021122 is an equidigital number, since it uses as much as digits as its factorization.

11222120021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611060010563.

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

Adding to 11222120021122 its reverse (22112002122211), we get a palindrome (33334122143333).

The spelling of 11222120021122 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred twenty-two".