11221021121222 has 16 divisors (see below), whose sum is σ = 18543469651344. Its totient is φ = 5049964500000.

The previous prime is 11221021121207. The next prime is 11221021121249. The reversal of 11221021121222 is 22212112012211.

11221021121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11221021121222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221021121194 and 11221021121203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2524980029 + ... + 2524984472.

It is an arithmetic number, because the mean of its divisors is an integer number (1158966853209).

Almost surely, 2^{11221021121222} is an apocalyptic number.

11221021121222 is a deficient number, since it is larger than the sum of its proper divisors (7322448530122).

11221021121222 is a wasteful number, since it uses less digits than its factorization.

11221021121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049964615.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11221021121222 its reverse (22212112012211), we get a palindrome (33433133133433).

The spelling of 11221021121222 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".