1021001102 has 8 divisors (see below), whose sum is σ = 1670729112. Its totient is φ = 464091400.

The previous prime is 1021001099. The next prime is 1021001117. The reversal of 1021001102 is 2011001201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1021001102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23204549 + ... + 23204592.

It is an arithmetic number, because the mean of its divisors is an integer number (208841139).

Almost surely, 2^1021001102 is an apocalyptic number.

1021001102 is a deficient number, since it is larger than the sum of its proper divisors (649728010).

1021001102 is a wasteful number, since it uses less digits than its factorization.

1021001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46409154.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1021001102 is about 31953.1078613646. The cubic root of 1021001102 is about 1006.9519260635.

Adding to 1021001102 its reverse (2011001201), we get a palindrome (3032002303).

Subtracting 1021001102 from its reverse (2011001201), we obtain a palindrome (990000099).

The spelling of 1021001102 in words is "one billion, twenty-one million, one thousand, one hundred two".