101002002 has 16 divisors (see below), whose sum is σ = 202618272. Its totient is φ = 33564960.

The previous prime is 101001991. The next prime is 101002009. The reversal of 101002002 is 200200101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (101002009) 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, 23443 + ... + 27414.

It is an arithmetic number, because the mean of its divisors is an integer number (12663642).

Almost surely, 2^101002002 is an apocalyptic number.

101002002 is an abundant number, since it is smaller than the sum of its proper divisors (101616270).

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

101002002 is a wasteful number, since it uses less digits than its factorization.

101002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51193.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 101002002 is about 10049.9752238501. The cubic root of 101002002 is about 465.7040277677.

Adding to 101002002 its reverse (200200101), we get a palindrome (301202103).

The spelling of 101002002 in words is "one hundred one million, two thousand, two".