1101221231222 has 48 divisors (see below), whose sum is σ = 1928302312752. Its totient is φ = 470286835200.

The previous prime is 1101221231183. The next prime is 1101221231263. The reversal of 1101221231222 is 2221321221011.

It is a super-2 number, since 2×1101221231222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101221231194 and 1101221231203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173335598 + ... + 173341950.

It is an arithmetic number, because the mean of its divisors is an integer number (40172964849).

Almost surely, 2^{1101221231222} is an apocalyptic number.

1101221231222 is a deficient number, since it is larger than the sum of its proper divisors (827081081530).

1101221231222 is a wasteful number, since it uses less digits than its factorization.

1101221231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333 (or 12326 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1101221231222 its reverse (2221321221011), we get a palindrome (3322542452233).

The spelling of 1101221231222 in words is "one trillion, one hundred one billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred twenty-two".