10101002000 has 80 divisors (see below), whose sum is σ = 25486261632. Its totient is φ = 3864713600.

The previous prime is 10101001973. The next prime is 10101002027. The reversal of 10101002000 is 20010101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10101001973) and next prime (10101002027).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63794 + ... + 155793.

Almost surely, 2^10101002000 is an apocalyptic number.

10101002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101002000 is an abundant number, since it is smaller than the sum of its proper divisors (15385259632).

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

10101002000 is a wasteful number, since it uses less digits than its factorization.

10101002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219633 (or 219617 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10101002000 its reverse (20010101), we get a palindrome (10121012101).

The spelling of 10101002000 in words is "ten billion, one hundred one million, two thousand".