1110021000102 has 72 divisors (see below), whose sum is σ = 2811907983456. Its totient is φ = 315538915104.

The previous prime is 1110021000059. The next prime is 1110021000113. The reversal of 1110021000102 is 2010001200111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3020478 + ... + 3367985.

It is an arithmetic number, because the mean of its divisors is an integer number (39054277548).

Almost surely, 2^{1110021000102} is an apocalyptic number.

1110021000102 is an abundant number, since it is smaller than the sum of its proper divisors (1701886983354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1110021000102 is a wasteful number, since it uses less digits than its factorization.

1110021000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388682 (or 6388672 counting only the distinct ones).

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

Adding to 1110021000102 its reverse (2010001200111), we get a palindrome (3120022200213).

The spelling of 1110021000102 in words is "one trillion, one hundred ten billion, twenty-one million, one hundred two", and thus it is an aban number.