1102021000002 has 96 divisors (see below), whose sum is σ = 2816524554480. Its totient is φ = 308132536320.

The previous prime is 1102020999971. The next prime is 1102021000037. The reversal of 1102021000002 is 2000001202011.

It can be written as a sum of positive squares in 8 ways, for example, as 287895560481 + 814125439521 = 536559^2 + 902289^2 .

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

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 47 ways as a sum of consecutive naturals, for example, 4660999 + ... + 4891722.

Almost surely, 2^{1102021000002} is an apocalyptic number.

1102021000002 is an abundant number, since it is smaller than the sum of its proper divisors (1714503554478).

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

1102021000002 is a wasteful number, since it uses less digits than its factorization.

1102021000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9552788 (or 9552785 counting only the distinct ones).

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

Adding to 1102021000002 its reverse (2000001202011), we get a palindrome (3102022202013).

The spelling of 1102021000002 in words is "one trillion, one hundred two billion, twenty-one million, two", and thus it is an aban number.