100210221201001 has 4 divisors (see below), whose sum is σ = 100448250230404. Its totient is φ = 99972192171600.

The previous prime is 100210221200993. The next prime is 100210221201007. The reversal of 100210221201001 is 100102122012001.

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 912982161001 + 99297239040000 = 955501^2 + 9964800^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210221201001 - 2³ = 100210221200993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100210221201007) 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, 119014514070 + ... + 119014514911.

It is an arithmetic number, because the mean of its divisors is an integer number (25112062557601).

Almost surely, 2^{100210221201001} is an apocalyptic number.

It is an amenable number.

100210221201001 is a deficient number, since it is larger than the sum of its proper divisors (238029029403).

100210221201001 is an equidigital number, since it uses as much as digits as its factorization.

100210221201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238029029402.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100210221201001 its reverse (100102122012001), we get a palindrome (200312343213002).

The spelling of 100210221201001 in words is "one hundred trillion, two hundred ten billion, two hundred twenty-one million, two hundred one thousand, one".