100220202221201 has 4 divisors (see below), whose sum is σ = 103453111970304. Its totient is φ = 96987292472100.

The previous prime is 100220202221197. The next prime is 100220202221261. The reversal of 100220202221201 is 102122202022001.

It is a happy number.

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 100220202221201 - 2² = 100220202221197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100220202221201.

It is not an unprimeable number, because it can be changed into a prime (100220202221261) 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, 1616454874505 + ... + 1616454874566.

It is an arithmetic number, because the mean of its divisors is an integer number (25863277992576).

Almost surely, 2^{100220202221201} is an apocalyptic number.

It is an amenable number.

100220202221201 is a deficient number, since it is larger than the sum of its proper divisors (3232909749103).

100220202221201 is an equidigital number, since it uses as much as digits as its factorization.

100220202221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232909749102.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100220202221201 its reverse (102122202022001), we get a palindrome (202342404243202).

The spelling of 100220202221201 in words is "one hundred trillion, two hundred twenty billion, two hundred two million, two hundred twenty-one thousand, two hundred one".