1202100221001 has 16 divisors (see below), whose sum is σ = 1605704829696. Its totient is φ = 799948221696.

The previous prime is 1202100220987. The next prime is 1202100221027. The reversal of 1202100221001 is 1001220012021.

It is not a de Polignac number, because 1202100221001 - 2⁷ = 1202100220873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202100221051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15782656 + ... + 15858638.

It is an arithmetic number, because the mean of its divisors is an integer number (100356551856).

Almost surely, 2^{1202100221001} is an apocalyptic number.

It is an amenable number.

1202100221001 is a deficient number, since it is larger than the sum of its proper divisors (403604608695).

1202100221001 is an equidigital number, since it uses as much as digits as its factorization.

1202100221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85472.

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

Adding to 1202100221001 its reverse (1001220012021), we get a palindrome (2203320233022).

The spelling of 1202100221001 in words is "one trillion, two hundred two billion, one hundred million, two hundred twenty-one thousand, one".