100020021120010 has 32 divisors (see below), whose sum is σ = 180258432492240. Its totient is φ = 39958590256128.

The previous prime is 100020021119981. The next prime is 100020021120017. The reversal of 100020021120010 is 10021120020001.

It can be written as a sum of positive squares in 8 ways, for example, as 30592414543681 + 69427606576329 = 5531041^2 + 8332323^2 .

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

It is not an unprimeable number, because it can be changed into a prime (100020021120017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321770224 + ... + 322080916.

Almost surely, 2^{100020021120010} is an apocalyptic number.

100020021120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100020021120010 is a deficient number, since it is larger than the sum of its proper divisors (80238411372230).

100020021120010 is a wasteful number, since it uses less digits than its factorization.

100020021120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350362.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100020021120010 its reverse (10021120020001), we get a palindrome (110041141140011).

The spelling of 100020021120010 in words is "one hundred trillion, twenty billion, twenty-one million, one hundred twenty thousand, ten".