1100021022001 has 16 divisors (see below), whose sum is σ = 1224390601728. Its totient is φ = 979885544400.

The previous prime is 1100021021999. The next prime is 1100021022017. The reversal of 1100021022001 is 1002201200011.

It is a cyclic number.

It is not a de Polignac number, because 1100021022001 - 2¹ = 1100021021999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100021022071) 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, 4193181 + ... + 4447786.

It is an arithmetic number, because the mean of its divisors is an integer number (76524412608).

Almost surely, 2^{1100021022001} is an apocalyptic number.

1100021022001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100021022001 is a deficient number, since it is larger than the sum of its proper divisors (124369579727).

1100021022001 is a wasteful number, since it uses less digits than its factorization.

1100021022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641212.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1100021022001 its reverse (1002201200011), we get a palindrome (2102222222012).

The spelling of 1100021022001 in words is "one trillion, one hundred billion, twenty-one million, twenty-two thousand, one".