1122122203221 has 16 divisors (see below), whose sum is σ = 1507434667200. Its totient is φ = 742464175488.

The previous prime is 1122122203201. The next prime is 1122122203229. The reversal of 1122122203221 is 1223022212211.

It is not a de Polignac number, because 1122122203221 - 2³⁴ = 1104942334037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122122203229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079411 + ... + 2562848.

It is an arithmetic number, because the mean of its divisors is an integer number (94214666700).

Almost surely, 2^{1122122203221} is an apocalyptic number.

It is an amenable number.

1122122203221 is a deficient number, since it is larger than the sum of its proper divisors (385312463979).

1122122203221 is a wasteful number, since it uses less digits than its factorization.

1122122203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642868.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1122122203221 its reverse (1223022212211), we get a palindrome (2345144415432).

The spelling of 1122122203221 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred three thousand, two hundred twenty-one".