101020001020002 has 24 divisors (see below), whose sum is σ = 218880327504384. Its totient is φ = 33672770807544.

The previous prime is 101020001019991. The next prime is 101020001020121. The reversal of 101020001020002 is 200020100020101.

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 11 ways as a sum of consecutive naturals, for example, 45798018 + ... + 47953085.

It is an arithmetic number, because the mean of its divisors is an integer number (9120013646016).

Almost surely, 2^{101020001020002} is an apocalyptic number.

101020001020002 is an abundant number, since it is smaller than the sum of its proper divisors (117860326484382).

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

101020001020002 is a wasteful number, since it uses less digits than its factorization.

101020001020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93810974 (or 93810971 counting only the distinct ones).

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

Adding to 101020001020002 its reverse (200020100020101), we get a palindrome (301040101040103).

Subtracting 101020001020002 from its reverse (200020100020101), we obtain a palindrome (99000099000099).

The spelling of 101020001020002 in words is "one hundred one trillion, twenty billion, one million, twenty thousand, two".