10011001020102 has 24 divisors (see below), whose sum is σ = 21690660831840. Its totient is φ = 3336975936720.

The previous prime is 10011001019983. The next prime is 10011001020103. The reversal of 10011001020102 is 20102010011001.

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 not an unprimeable number, because it can be changed into a prime (10011001020103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 587452 + ... + 4512992.

It is an arithmetic number, because the mean of its divisors is an integer number (903777534660).

Almost surely, 2^{10011001020102} is an apocalyptic number.

10011001020102 is an abundant number, since it is smaller than the sum of its proper divisors (11679659811738).

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

10011001020102 is a wasteful number, since it uses less digits than its factorization.

10011001020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067228 (or 4067225 counting only the distinct ones).

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

Adding to 10011001020102 its reverse (20102010011001), we get a palindrome (30113011031103).

It can be divided in two parts, 1001100 and 1020102, that added together give a palindrome (2021202).

The spelling of 10011001020102 in words is "ten trillion, eleven billion, one million, twenty thousand, one hundred two".