2221010002001 has 8 divisors (see below), whose sum is σ = 2538500260224. Its totient is φ = 1903570522560.

The previous prime is 2221010001983. The next prime is 2221010002021. The reversal of 2221010002001 is 1002000101222.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2221010002001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2221010002021) 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, 12600920 + ... + 12775961.

It is an arithmetic number, because the mean of its divisors is an integer number (317312532528).

Almost surely, 2^{2221010002001} is an apocalyptic number.

It is an amenable number.

2221010002001 is a deficient number, since it is larger than the sum of its proper divisors (317490258223).

2221010002001 is a wasteful number, since it uses less digits than its factorization.

2221010002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25389391.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2221010002001 its reverse (1002000101222), we get a palindrome (3223010103223).

The spelling of 2221010002001 in words is "two trillion, two hundred twenty-one billion, ten million, two thousand, one".