1100332023221 has 16 divisors (see below), whose sum is σ = 1126274575104. Its totient is φ = 1074496809984.

The previous prime is 1100332023209. The next prime is 1100332023223. The reversal of 1100332023221 is 1223202330011.

It is a cyclic number.

It is not a de Polignac number, because 1100332023221 - 2¹⁰ = 1100332022197 is a prime.

It is a super-2 number, since 2×1100332023221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100332023193 and 1100332023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100332023223) 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, 63312485 + ... + 63329861.

It is an arithmetic number, because the mean of its divisors is an integer number (70392160944).

Almost surely, 2^{1100332023221} is an apocalyptic number.

It is an amenable number.

1100332023221 is a deficient number, since it is larger than the sum of its proper divisors (25942551883).

1100332023221 is a wasteful number, since it uses less digits than its factorization.

1100332023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1100332023221 its reverse (1223202330011), we get a palindrome (2323534353232).

The spelling of 1100332023221 in words is "one trillion, one hundred billion, three hundred thirty-two million, twenty-three thousand, two hundred twenty-one".