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1222101020111 = 67154311821331
BaseRepresentation
bin10001110010001010111…
…001011010110111001111
311022211110022200020222212
4101302022321122313033
5130010330330120421
62333231522101035
7154202542163006
oct21621271326717
94284408606885
101222101020111
11431321190674
12178a271aa77b
138b3223498ba
1443215883c3d
1521bca120e5b
hex11c8ae5adcf

1222101020111 has 8 divisors (see below), whose sum is σ = 1241145289344. Its totient is φ = 1203080396760.

The previous prime is 1222101020093. The next prime is 1222101020141. The reversal of 1222101020111 is 1110201012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222101020111 - 26 = 1222101020047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807285 + ... + 6014046.

It is an arithmetic number, because the mean of its divisors is an integer number (155143161168).

Almost surely, 21222101020111 is an apocalyptic number.

1222101020111 is a deficient number, since it is larger than the sum of its proper divisors (19044269233).

1222101020111 is a wasteful number, since it uses less digits than its factorization.

1222101020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11822941.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222101020111 its reverse (1110201012221), we get a palindrome (2332302032332).

The spelling of 1222101020111 in words is "one trillion, two hundred twenty-two billion, one hundred one million, twenty thousand, one hundred eleven".

Divisors: 1 67 1543 103381 11821331 792029177 18240313733 1222101020111