1100220222021 has 16 divisors (see below), whose sum is σ = 1530908069760. Its totient is φ = 701513215040.

The previous prime is 1100220221999. The next prime is 1100220222037. The reversal of 1100220222021 is 1202220220011.

It is a cyclic number.

It is not a de Polignac number, because 1100220222021 - 2¹⁰ = 1100220220997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100220222041) 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, 228366 + ... + 1500863.

It is an arithmetic number, because the mean of its divisors is an integer number (95681754360).

Almost surely, 2^{1100220222021} is an apocalyptic number.

It is an amenable number.

1100220222021 is a deficient number, since it is larger than the sum of its proper divisors (430687847739).

1100220222021 is a wasteful number, since it uses less digits than its factorization.

1100220222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738476.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1100220222021 its reverse (1202220220011), we get a palindrome (2302440442032).

The spelling of 1100220222021 in words is "one trillion, one hundred billion, two hundred twenty million, two hundred twenty-two thousand, twenty-one".