1001101002 has 64 divisors (see below), whose sum is σ = 2236336128. Its totient is φ = 298676400.

The previous prime is 1001100983. The next prime is 1001101021. The reversal of 1001101002 is 2001011001.

It is an interprime number because it is at equal distance from previous prime (1001100983) and next prime (1001101021).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534127 + ... + 535997.

It is an arithmetic number, because the mean of its divisors is an integer number (34942752).

Almost surely, 2^1001101002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001101002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118168064).

1001101002 is an abundant number, since it is smaller than the sum of its proper divisors (1235235126).

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

1001101002 is a wasteful number, since it uses less digits than its factorization.

1001101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1001101002 is about 31640.1801827992. The cubic root of 1001101002 is about 1000.3668660595.

Adding to 1001101002 its reverse (2001011001), we get a palindrome (3002112003).

Subtracting 1001101002 from its reverse (2001011001), we obtain a palindrome (999909999).

The spelling of 1001101002 in words is "one billion, one million, one hundred one thousand, two".