102011001001002 has 36 divisors (see below), whose sum is σ = 234790025960646. Its totient is φ = 32003451292800.

The previous prime is 102011001000991. The next prime is 102011001001043. The reversal of 102011001001002 is 200100100110201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 97696203771321 + 4314797229681 = 9884139^2 + 2077209^2 .

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 (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9804973749 + ... + 9804984152.

Almost surely, 2^{102011001001002} is an apocalyptic number.

102011001001002 is an abundant number, since it is smaller than the sum of its proper divisors (132779024959644).

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

102011001001002 is a wasteful number, since it uses less digits than its factorization.

102011001001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19609957943 (or 19609957923 counting only the distinct ones).

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

Adding to 102011001001002 its reverse (200100100110201), we get a palindrome (302111101111203).

The spelling of 102011001001002 in words is "one hundred two trillion, eleven billion, one million, one thousand, two".