1100020220001 has 48 divisors (see below), whose sum is σ = 1689164256000. Its totient is φ = 688374567936.

The previous prime is 1100020219997. The next prime is 1100020220003. The reversal of 1100020220001 is 1000220200011.

It is not a de Polignac number, because 1100020220001 - 2² = 1100020219997 is a prime.

It is a super-2 number, since 2×1100020220001² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1100020220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2824185 + ... + 3189993.

It is an arithmetic number, because the mean of its divisors is an integer number (35190922000).

Almost surely, 2^{1100020220001} is an apocalyptic number.

It is an amenable number.

1100020220001 is a deficient number, since it is larger than the sum of its proper divisors (589144035999).

1100020220001 is a wasteful number, since it uses less digits than its factorization.

1100020220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366110 (or 366107 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1100020220001 its reverse (1000220200011), we get a palindrome (2100240420012).

The spelling of 1100020220001 in words is "one trillion, one hundred billion, twenty million, two hundred twenty thousand, one".