101001022002 has 48 divisors (see below), whose sum is σ = 221559065208. Its totient is φ = 33250129920.

The previous prime is 101001021991. The next prime is 101001022037. The reversal of 101001022002 is 200220100101.

It can be written as a sum of positive squares in 4 ways, for example, as 52569776961 + 48431245041 = 229281^2 + 220071^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483198 + ... + 659910.

Almost surely, 2^101001022002 is an apocalyptic number.

101001022002 is an abundant number, since it is smaller than the sum of its proper divisors (120558043206).

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

101001022002 is a wasteful number, since it uses less digits than its factorization.

101001022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177115 (or 177112 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101001022002 its reverse (200220100101), we get a palindrome (301221122103).

The spelling of 101001022002 in words is "one hundred one billion, one million, twenty-two thousand, two".