101002111002 has 160 divisors (see below), whose sum is σ = 250467142464. Its totient is φ = 30223238400.

The previous prime is 101002110997. The next prime is 101002111019. The reversal of 101002111002 is 200111200101.

It is a happy number.

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 79 ways as a sum of consecutive naturals, for example, 29960377 + ... + 29963747.

Almost surely, 2^101002111002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101002111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125233571232).

101002111002 is an abundant number, since it is smaller than the sum of its proper divisors (149465031462).

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

101002111002 is a wasteful number, since it uses less digits than its factorization.

101002111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101002111002 its reverse (200111200101), we get a palindrome (301113311103).

The spelling of 101002111002 in words is "one hundred one billion, two million, one hundred eleven thousand, two".