1100000221122 has 32 divisors (see below), whose sum is σ = 2464865365824. Its totient is φ = 324324388800.

The previous prime is 1100000221043. The next prime is 1100000221129. The reversal of 1100000221122 is 2211220000011.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1100000221098 and 1100000221107.

It is not an unprimeable number, because it can be changed into a prime (1100000221129) 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, 225222829 + ... + 225227712.

It is an arithmetic number, because the mean of its divisors is an integer number (77027042682).

Almost surely, 2^{1100000221122} is an apocalyptic number.

1100000221122 is an abundant number, since it is smaller than the sum of its proper divisors (1364865144702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100000221122 is a wasteful number, since it uses less digits than its factorization.

1100000221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450450594.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1100000221122 its reverse (2211220000011), we get a palindrome (3311220221133).

The spelling of 1100000221122 in words is "one trillion, one hundred billion, two hundred twenty-one thousand, one hundred twenty-two".