10101020000 has 60 divisors (see below), whose sum is σ = 24850073556. Its totient is φ = 4040400000.

The previous prime is 10101019969. The next prime is 10101020021. The reversal of 10101020000 is 2010101.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 232526 + ... + 272525.

Almost surely, 2^10101020000 is an apocalyptic number.

10101020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101020000 is an abundant number, since it is smaller than the sum of its proper divisors (14749053556).

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

10101020000 is an frugal number, since it uses more digits than its factorization.

10101020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505081 (or 505058 counting only the distinct ones).

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

Adding to 10101020000 its reverse (2010101), we get a palindrome (10103030101).

The spelling of 10101020000 in words is "ten billion, one hundred one million, twenty thousand".