1202110010221 has 4 divisors (see below), whose sum is σ = 1202155986844. Its totient is φ = 1202064033600.

The previous prime is 1202110010173. The next prime is 1202110010261. The reversal of 1202110010221 is 1220100112021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 615614421321 + 586495588900 = 784611^2 + 765830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202110010221 - 2¹⁷ = 1202109879149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202110010261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22949070 + ... + 23001391.

It is an arithmetic number, because the mean of its divisors is an integer number (300538996711).

Almost surely, 2^{1202110010221} is an apocalyptic number.

It is an amenable number.

1202110010221 is a deficient number, since it is larger than the sum of its proper divisors (45976623).

1202110010221 is an equidigital number, since it uses as much as digits as its factorization.

1202110010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45976622.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202110010221 its reverse (1220100112021), we get a palindrome (2422210122242).

The spelling of 1202110010221 in words is "one trillion, two hundred two billion, one hundred ten million, ten thousand, two hundred twenty-one".