1001021002102 has 16 divisors (see below), whose sum is σ = 1638254476224. Its totient is φ = 454948405000.

The previous prime is 1001021002099. The next prime is 1001021002109. The reversal of 1001021002102 is 2012001201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001021002109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889424 + ... + 3217267.

It is an arithmetic number, because the mean of its divisors is an integer number (102390904764).

Almost surely, 2^{1001021002102} is an apocalyptic number.

1001021002102 is a deficient number, since it is larger than the sum of its proper divisors (637233474122).

1001021002102 is a wasteful number, since it uses less digits than its factorization.

1001021002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114155.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001021002102 its reverse (2012001201001), we get a palindrome (3013022203103).

The spelling of 1001021002102 in words is "one trillion, one billion, twenty-one million, two thousand, one hundred two".