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2011221111110 = 251947212242189
BaseRepresentation
bin11101010001000110000…
…111101011000101000110
321010021022110100100121212
4131101012013223011012
5230422440101023420
64135535304211422
7265206635242511
oct35210607530506
97107273310555
102011221111110
11705a54980732
12285955a69b72
131178712280a3
146d4b4c79d78
15374b31963c5
hex1d4461eb146

2011221111110 has 32 divisors (see below), whose sum is σ = 3811543624800. Its totient is φ = 761985169920.

The previous prime is 2011221111001. The next prime is 2011221111121. The reversal of 2011221111110 is 111111221102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224105 + ... + 2018084.

It is an arithmetic number, because the mean of its divisors is an integer number (119110738275).

Almost surely, 22011221111110 is an apocalyptic number.

2011221111110 is a deficient number, since it is larger than the sum of its proper divisors (1800322513690).

2011221111110 is a wasteful number, since it uses less digits than its factorization.

2011221111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246936.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2011221111110 its reverse (111111221102), we get a palindrome (2122332332212).

The spelling of 2011221111110 in words is "two trillion, eleven billion, two hundred twenty-one million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 190 4721 9442 23605 47210 89699 179398 448495 896990 2242189 4484378 11210945 22421890 42601591 85203182 213007955 426015910 10585374269 21170748538 52926871345 105853742690 201122111111 402244222222 1005610555555 2011221111110