2102221020201 has 8 divisors (see below), whose sum is σ = 2802971743680. Its totient is φ = 1401475488432.

The previous prime is 2102221020181. The next prime is 2102221020209. The reversal of 2102221020201 is 1020201222012.

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

It is not a de Polignac number, because 2102221020201 - 2⁵ = 2102221020169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102221020209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226846 + ... + 2062983.

It is an arithmetic number, because the mean of its divisors is an integer number (350371467960).

Almost surely, 2^{2102221020201} is an apocalyptic number.

It is an amenable number.

2102221020201 is a deficient number, since it is larger than the sum of its proper divisors (700750723479).

2102221020201 is a wasteful number, since it uses less digits than its factorization.

2102221020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595855.

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

Adding to 2102221020201 its reverse (1020201222012), we get a palindrome (3122422242213).

The spelling of 2102221020201 in words is "two trillion, one hundred two billion, two hundred twenty-one million, twenty thousand, two hundred one".