101021002 has 16 divisors (see below), whose sum is σ = 158989824. Its totient is φ = 48078000.

The previous prime is 101020981. The next prime is 101021003. The reversal of 101021002 is 200120101.

It is not an unprimeable number, because it can be changed into a prime (101021003) 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, 9574 + ... + 17137.

It is an arithmetic number, because the mean of its divisors is an integer number (9936864).

Almost surely, 2^101021002 is an apocalyptic number.

101021002 is a deficient number, since it is larger than the sum of its proper divisors (57968822).

101021002 is a wasteful number, since it uses less digits than its factorization.

101021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26805.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101021002 is about 10050.9204553613. The cubic root of 101021002 is about 465.7332279207.

Adding to 101021002 its reverse (200120101), we get a palindrome (301141103).

Subtracting 101021002 from its reverse (200120101), we obtain a palindrome (99099099).

The spelling of 101021002 in words is "one hundred one million, twenty-one thousand, two".