100021121100010 has 16 divisors (see below), whose sum is σ = 196405110523872. Its totient is φ = 36371316763600.

The previous prime is 100021121099947. The next prime is 100021121100023. The reversal of 100021121100010 is 10001121120001.

100021121100010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100021121100010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 100021121100010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454641459436 + ... + 454641459655.

It is an arithmetic number, because the mean of its divisors is an integer number (12275319407742).

Almost surely, 2^{100021121100010} is an apocalyptic number.

100021121100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021121100010 is a deficient number, since it is larger than the sum of its proper divisors (96383989423862).

100021121100010 is a wasteful number, since it uses less digits than its factorization.

100021121100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909282919109.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100021121100010 its reverse (10001121120001), we get a palindrome (110022242220011).

The spelling of 100021121100010 in words is "one hundred trillion, twenty-one billion, one hundred twenty-one million, one hundred thousand, ten".