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2221111220003 = 13170854709231
BaseRepresentation
bin100000010100100100100…
…010111001011100100011
321212100002001121121222122
4200110210202321130203
5242342313433020003
64420210413454455
7316320130602314
oct40244442713443
97770061547878
102221111220003
11786a7141a045
122ba5717a142b
131315b0539ab0
147970667660b
153cb99a1d238
hex205248b9723

2221111220003 has 4 divisors (see below), whose sum is σ = 2391965929248. Its totient is φ = 2050256510760.

The previous prime is 2221111219993. The next prime is 2221111220017. The reversal of 2221111220003 is 3000221111222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221111220003 - 210 = 2221111218979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221111220033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85427354603 + ... + 85427354628.

It is an arithmetic number, because the mean of its divisors is an integer number (597991482312).

Almost surely, 22221111220003 is an apocalyptic number.

2221111220003 is a deficient number, since it is larger than the sum of its proper divisors (170854709245).

2221111220003 is a wasteful number, since it uses less digits than its factorization.

2221111220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170854709244.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2221111220003 its reverse (3000221111222), we get a palindrome (5221332331225).

The spelling of 2221111220003 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, three".

Divisors: 1 13 170854709231 2221111220003