101021021002 has 16 divisors (see below), whose sum is σ = 165314642400. Its totient is φ = 45916557840.

The previous prime is 101021020999. The next prime is 101021021021. The reversal of 101021021002 is 200120120101.

It is a super-3 number, since 3×101021021002³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101021021002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457624 + ... + 641452.

It is an arithmetic number, because the mean of its divisors is an integer number (10332165150).

Almost surely, 2^101021021002 is an apocalyptic number.

101021021002 is a deficient number, since it is larger than the sum of its proper divisors (64293621398).

101021021002 is a wasteful number, since it uses less digits than its factorization.

101021021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208821.

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

Adding to 101021021002 its reverse (200120120101), we get a palindrome (301141141103).

Subtracting 101021021002 from its reverse (200120120101), we obtain a palindrome (99099099099).

It can be divided in two parts, 1010 and 21021002, that added together give a palindrome (21022012).

The spelling of 101021021002 in words is "one hundred one billion, twenty-one million, twenty-one thousand, two".