2221011020201 has 4 divisors (see below), whose sum is σ = 2221023177600. Its totient is φ = 2220998862804.

The previous prime is 2221011020197. The next prime is 2221011020237. The reversal of 2221011020201 is 1020201101222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221011020201 - 2² = 2221011020197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221011020251) 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, 5800421 + ... + 6171458.

It is an arithmetic number, because the mean of its divisors is an integer number (555255794400).

Almost surely, 2^{2221011020201} is an apocalyptic number.

It is an amenable number.

2221011020201 is a deficient number, since it is larger than the sum of its proper divisors (12157399).

2221011020201 is a wasteful number, since it uses less digits than its factorization.

2221011020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12157398.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221011020201 its reverse (1020201101222), we get a palindrome (3241212121423).

The spelling of 2221011020201 in words is "two trillion, two hundred twenty-one billion, eleven million, twenty thousand, two hundred one".