1100220020121 has 24 divisors (see below), whose sum is σ = 1608596456704. Its totient is φ = 668065271040.

The previous prime is 1100220020101. The next prime is 1100220020129. The reversal of 1100220020121 is 1210200220011.

It is not a de Polignac number, because 1100220020121 - 2⁶ = 1100220020057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100220020097 and 1100220020106.

It is not an unprimeable number, because it can be changed into a prime (1100220020129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20440810 + ... + 20494563.

Almost surely, 2^{1100220020121} is an apocalyptic number.

It is an amenable number.

1100220020121 is a deficient number, since it is larger than the sum of its proper divisors (508376436583).

1100220020121 is a wasteful number, since it uses less digits than its factorization.

1100220020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40935441 (or 40935424 counting only the distinct ones).

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

Adding to 1100220020121 its reverse (1210200220011), we get a palindrome (2310420240132).

The spelling of 1100220020121 in words is "one trillion, one hundred billion, two hundred twenty million, twenty thousand, one hundred twenty-one".