100020101212201 has 4 divisors (see below), whose sum is σ = 100020584214100. Its totient is φ = 100019618210304.

The previous prime is 100020101212183. The next prime is 100020101212219. The reversal of 100020101212201 is 102212101020001.

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

It is an interprime number because it is at equal distance from previous prime (100020101212183) and next prime (100020101212219).

It can be written as a sum of positive squares in 2 ways, for example, as 83680396994601 + 16339704217600 = 9147699^2 + 4042240^2 .

It is a cyclic number.

It is not a de Polignac number, because 100020101212201 - 2¹⁷ = 100020101081129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020101212271) 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, 241190196 + ... + 241604533.

It is an arithmetic number, because the mean of its divisors is an integer number (25005146053525).

Almost surely, 2^{100020101212201} is an apocalyptic number.

It is an amenable number.

100020101212201 is a deficient number, since it is larger than the sum of its proper divisors (483001899).

100020101212201 is an equidigital number, since it uses as much as digits as its factorization.

100020101212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483001898.

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

Adding to 100020101212201 its reverse (102212101020001), we get a palindrome (202232202232202).

The spelling of 100020101212201 in words is "one hundred trillion, twenty billion, one hundred one million, two hundred twelve thousand, two hundred one".