2221001022201 has 64 divisors (see below), whose sum is σ = 3424229303040. Its totient is φ = 1268287856640.

The previous prime is 2221001022197. The next prime is 2221001022211. The reversal of 2221001022201 is 1022201001222.

It is not a de Polignac number, because 2221001022201 - 2² = 2221001022197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221001022211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167502310 + ... + 167515568.

It is an arithmetic number, because the mean of its divisors is an integer number (53503582860).

Almost surely, 2^{2221001022201} is an apocalyptic number.

It is an amenable number.

2221001022201 is a deficient number, since it is larger than the sum of its proper divisors (1203228280839).

2221001022201 is a wasteful number, since it uses less digits than its factorization.

2221001022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826.

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

Adding to 2221001022201 its reverse (1022201001222), we get a palindrome (3243202023423).

The spelling of 2221001022201 in words is "two trillion, two hundred twenty-one billion, one million, twenty-two thousand, two hundred one".