100220121120201 has 4 divisors (see below), whose sum is σ = 133626828160272. Its totient is φ = 66813414080132.

The previous prime is 100220121120199. The next prime is 100220121120209. The reversal of 100220121120201 is 102021121022001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100220121120201 - 2¹ = 100220121120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100220121120209) 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, 16703353520031 + ... + 16703353520036.

It is an arithmetic number, because the mean of its divisors is an integer number (33406707040068).

Almost surely, 2^{100220121120201} is an apocalyptic number.

It is an amenable number.

100220121120201 is a deficient number, since it is larger than the sum of its proper divisors (33406707040071).

100220121120201 is an equidigital number, since it uses as much as digits as its factorization.

100220121120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33406707040070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100220121120201 its reverse (102021121022001), we get a palindrome (202241242142202).

The spelling of 100220121120201 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred one".