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2000000221201 = 2968965524869
BaseRepresentation
bin11101000110101001010…
…011011000000000010001
321002012100110021002101201
4131012221103120000101
5230232000024034301
64130442025431201
7264331604245663
oct35065123300021
97065313232351
102000000221201
11701216a91aa4
1228374403b501
131167a3610c68
146cb2c90a533
1537058023201
hex1d1a94d8011

2000000221201 has 4 divisors (see below), whose sum is σ = 2068965746100. Its totient is φ = 1931034696304.

The previous prime is 2000000221183. The next prime is 2000000221213. The reversal of 2000000221201 is 1021220000002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 361026731025 + 1638973490176 = 600855^2 + 1280224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000000221201 - 25 = 2000000221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000000221291) 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, 34482762406 + ... + 34482762463.

It is an arithmetic number, because the mean of its divisors is an integer number (517241436525).

Almost surely, 22000000221201 is an apocalyptic number.

It is an amenable number.

2000000221201 is a deficient number, since it is larger than the sum of its proper divisors (68965524899).

2000000221201 is an equidigital number, since it uses as much as digits as its factorization.

2000000221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68965524898.

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

Adding to 2000000221201 its reverse (1021220000002), we get a palindrome (3021220221203).

The spelling of 2000000221201 in words is "two trillion, two hundred twenty-one thousand, two hundred one".

Divisors: 1 29 68965524869 2000000221201