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11221331201 = 1919928310487
BaseRepresentation
bin10100111001101011…
…11110110100000001
31001222000220200120022
422130311332310001
5140440130044301
65053252023225
7545034512213
oct123465766401
931860820508
1011221331201
114839170243
122212001b15
13109aa3cc62
147864465b3
1545a20dd1b
hex29cd7ed01

11221331201 has 16 divisors (see below), whose sum is σ = 11914368000. Its totient is φ = 10538933328.

The previous prime is 11221331183. The next prime is 11221331207. The reversal of 11221331201 is 10213312211.

It is a cyclic number.

It is not a de Polignac number, because 11221331201 - 214 = 11221314817 is a prime.

It is a super-2 number, since 2×112213312012 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221331201.

It is not an unprimeable number, because it can be changed into a prime (11221331207) 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, 1064780 + ... + 1075266.

It is an arithmetic number, because the mean of its divisors is an integer number (744648000).

Almost surely, 211221331201 is an apocalyptic number.

It is an amenable number.

11221331201 is a deficient number, since it is larger than the sum of its proper divisors (693036799).

11221331201 is a wasteful number, since it uses less digits than its factorization.

11221331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10988.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11221331201 its reverse (10213312211), we get a palindrome (21434643412).

The spelling of 11221331201 in words is "eleven billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred one".

Divisors: 1 19 199 283 3781 5377 10487 56317 199253 1070023 2086913 2967821 39651347 56388599 590596379 11221331201