220000002102001 has 16 divisors (see below), whose sum is σ = 240305033577600. Its totient is φ = 199745826409600.

The previous prime is 220000002101981. The next prime is 220000002102019. The reversal of 220000002102001 is 100201200000022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220000002102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220000002102091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264249540 + ... + 265080778.

It is an arithmetic number, because the mean of its divisors is an integer number (15019064598600).

Almost surely, 2^{220000002102001} is an apocalyptic number.

It is an amenable number.

220000002102001 is a deficient number, since it is larger than the sum of its proper divisors (20305031475599).

220000002102001 is a wasteful number, since it uses less digits than its factorization.

220000002102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861800.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220000002102001 its reverse (100201200000022), we get a palindrome (320201202102023).

The spelling of 220000002102001 in words is "two hundred twenty trillion, two million, one hundred two thousand, one".