10002220111201 has 4 divisors (see below), whose sum is σ = 10002808736452. Its totient is φ = 10001631485952.

The previous prime is 10002220111139. The next prime is 10002220111207. The reversal of 10002220111201 is 10211102220001.

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 4660089308176 + 5342130803025 = 2158724^2 + 2311305^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002220111201 - 2¹¹ = 10002220109153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002220111207) 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, 294287136 + ... + 294321121.

It is an arithmetic number, because the mean of its divisors is an integer number (2500702184113).

Almost surely, 2^{10002220111201} is an apocalyptic number.

It is an amenable number.

10002220111201 is a deficient number, since it is larger than the sum of its proper divisors (588625251).

10002220111201 is an equidigital number, since it uses as much as digits as its factorization.

10002220111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588625250.

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

Adding to 10002220111201 its reverse (10211102220001), we get a palindrome (20213322331202).

The spelling of 10002220111201 in words is "ten trillion, two billion, two hundred twenty million, one hundred eleven thousand, two hundred one".