1101221200222 has 128 divisors (see below), whose sum is σ = 2094833664000. Its totient is φ = 426616606080.

The previous prime is 1101221200081. The next prime is 1101221200267. The reversal of 1101221200222 is 2220021221011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101221200196 and 1101221200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111919179 + ... + 111929017.

It is an arithmetic number, because the mean of its divisors is an integer number (16365888000).

Almost surely, 2^{1101221200222} is an apocalyptic number.

1101221200222 is a deficient number, since it is larger than the sum of its proper divisors (993612463778).

1101221200222 is a wasteful number, since it uses less digits than its factorization.

1101221200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1101221200222 its reverse (2220021221011), we get a palindrome (3321242421233).

The spelling of 1101221200222 in words is "one trillion, one hundred one billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".