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1222144310211 = 311371000937191
BaseRepresentation
bin10001110010001101011…
…110100011101111000011
311022211120100010121211220
4101302031132203233003
5130010422420411321
62333240110010123
7154203606143136
oct21621536435703
94284510117756
101222144310211
11431343669110
12178a397a6943
138b32b2c5b46
144321b51221d
1521bcdd229c6
hex11c8d7a3bc3

1222144310211 has 16 divisors (see below), whose sum is σ = 1825709438208. Its totient is φ = 720674776800.

The previous prime is 1222144310201. The next prime is 1222144310267. The reversal of 1222144310211 is 1120134412221.

It is not a de Polignac number, because 1222144310211 - 26 = 1222144310147 is a prime.

It is a super-2 number, since 2×12221443102112 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222144310201) 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, 500467375 + ... + 500469816.

It is an arithmetic number, because the mean of its divisors is an integer number (114106839888).

Almost surely, 21222144310211 is an apocalyptic number.

1222144310211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222144310211 is a deficient number, since it is larger than the sum of its proper divisors (603565127997).

1222144310211 is a wasteful number, since it uses less digits than its factorization.

1222144310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000937242.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1222144310211 its reverse (1120134412221), we get a palindrome (2342278722432).

The spelling of 1222144310211 in words is "one trillion, two hundred twenty-two billion, one hundred forty-four million, three hundred ten thousand, two hundred eleven".

Divisors: 1 3 11 33 37 111 407 1221 1000937191 3002811573 11010309101 33030927303 37034676067 111104028201 407381436737 1222144310211