100021202000 has 80 divisors (see below), whose sum is σ = 241919797392. Its totient is φ = 39997145600.

The previous prime is 100021201981. The next prime is 100021202011. The reversal of 100021202000 is 202120001.

It can be written as a sum of positive squares in 8 ways, for example, as 37082434624 + 62938767376 = 192568^2 + 250876^2 .

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 (8).

It is a congruent number.

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, 13302242 + ... + 13309758.

Almost surely, 2^100021202000 is an apocalyptic number.

100021202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021202000 is an abundant number, since it is smaller than the sum of its proper divisors (141898595392).

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

100021202000 is an equidigital number, since it uses as much as digits as its factorization.

100021202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14193 (or 14177 counting only the distinct ones).

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

Adding to 100021202000 its reverse (202120001), we get a palindrome (100223322001).

The spelling of 100021202000 in words is "one hundred billion, twenty-one million, two hundred two thousand".