100220000001201 has 6 divisors (see below), whose sum is σ = 144762222223970. Its totient is φ = 66813333334128.

The previous prime is 100220000001193. The next prime is 100220000001241. The reversal of 100220000001201 is 102100000022001.

It can be written as a sum of positive squares in only one way, i.e., 56005466342400 + 44214533658801 = 7483680^2 + 6649401^2 .

It is not a de Polignac number, because 100220000001201 - 2³ = 100220000001193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11135555555689 = 100220000001201 / (1 + 0 + 0 + 2 + 2 + 0 + 0 + 0 + 0 + 0 + 0 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220000001241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5567777777836 + ... + 5567777777853.

Almost surely, 2^{100220000001201} is an apocalyptic number.

It is an amenable number.

100220000001201 is a deficient number, since it is larger than the sum of its proper divisors (44542222222769).

100220000001201 is a wasteful number, since it uses less digits than its factorization.

100220000001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135555555695 (or 11135555555692 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100220000001201 its reverse (102100000022001), we get a palindrome (202320000023202).

The spelling of 100220000001201 in words is "one hundred trillion, two hundred twenty billion, one thousand, two hundred one".