100001202021201 has 32 divisors (see below), whose sum is σ = 145443475352448. Its totient is φ = 60749100518400.

The previous prime is 100001202021191. The next prime is 100001202021241. The reversal of 100001202021201 is 102120202100001.

It is not a de Polignac number, because 100001202021201 - 2⁶ = 100001202021137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001202021241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36339411 + ... + 38994296.

It is an arithmetic number, because the mean of its divisors is an integer number (4545108604764).

Almost surely, 2^{100001202021201} is an apocalyptic number.

It is an amenable number.

100001202021201 is a deficient number, since it is larger than the sum of its proper divisors (45442273331247).

100001202021201 is a wasteful number, since it uses less digits than its factorization.

100001202021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75334161.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100001202021201 its reverse (102120202100001), we get a palindrome (202121404121202).

It can be divided in two parts, 100001 and 202021201, that added together give a palindrome (202121202).

The spelling of 100001202021201 in words is "one hundred trillion, one billion, two hundred two million, twenty-one thousand, two hundred one".