100102011000221 has 4 divisors (see below), whose sum is σ = 100739603427132. Its totient is φ = 99464418573312.

The previous prime is 100102011000203. The next prime is 100102011000223. The reversal of 100102011000221 is 122000110201001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26633970177721 + 73468040822500 = 5160811^2 + 8571350^2 .

It is a cyclic number.

It is not a de Polignac number, because 100102011000221 - 2¹⁸ = 100102010738077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102011000223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318796213220 + ... + 318796213533.

It is an arithmetic number, because the mean of its divisors is an integer number (25184900856783).

Almost surely, 2^{100102011000221} is an apocalyptic number.

It is an amenable number.

100102011000221 is a deficient number, since it is larger than the sum of its proper divisors (637592426911).

100102011000221 is an equidigital number, since it uses as much as digits as its factorization.

100102011000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637592426910.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100102011000221 its reverse (122000110201001), we get a palindrome (222102121201222).

The spelling of 100102011000221 in words is "one hundred trillion, one hundred two billion, eleven million, two hundred twenty-one", and thus it is an aban number.