2021221002201 has 8 divisors (see below), whose sum is σ = 2712808762944. Its totient is φ = 1338556954800.

The previous prime is 2021221002197. The next prime is 2021221002247. The reversal of 2021221002201 is 1022001221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021221002201 - 2² = 2021221002197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021221002701) 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 7 ways as a sum of consecutive naturals, for example, 2230927806 + ... + 2230928711.

It is an arithmetic number, because the mean of its divisors is an integer number (339101095368).

Almost surely, 2^{2021221002201} is an apocalyptic number.

It is an amenable number.

2021221002201 is a deficient number, since it is larger than the sum of its proper divisors (691587760743).

2021221002201 is a wasteful number, since it uses less digits than its factorization.

2021221002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461856671.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2021221002201 its reverse (1022001221202), we get a palindrome (3043222223403).

The spelling of 2021221002201 in words is "two trillion, twenty-one billion, two hundred twenty-one million, two thousand, two hundred one".