1100020002111 has 12 divisors (see below), whose sum is σ = 1595917421592. Its totient is φ = 730116064656.

The previous prime is 1100020002091. The next prime is 1100020002113. The reversal of 1100020002111 is 1112000200011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1100020002111 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1100020002093 and 1100020002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020002113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269214796 + ... + 269218881.

It is an arithmetic number, because the mean of its divisors is an integer number (132993118466).

Almost surely, 2^{1100020002111} is an apocalyptic number.

1100020002111 is a deficient number, since it is larger than the sum of its proper divisors (495897419481).

1100020002111 is a wasteful number, since it uses less digits than its factorization.

1100020002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538433910 (or 538433907 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100020002111 its reverse (1112000200011), we get a palindrome (2212020202122).

The spelling of 1100020002111 in words is "one trillion, one hundred billion, twenty million, two thousand, one hundred eleven".