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1120110101221 = 291071637220511
BaseRepresentation
bin10000010011001011110…
…000111100001011100101
310222002012101202202110111
4100103023300330023211
5121322441141214341
62214323234453021
7143632241524156
oct20231360741345
93862171682414
101120110101221
113a2043a50761
12161102734171
138181a222357
143c2dc24d92d
151e20b219681
hex104cbc3c2e5

1120110101221 has 16 divisors (see below), whose sum is σ = 1170283645440. Its totient is φ = 1070718940480.

The previous prime is 1120110101141. The next prime is 1120110101261. The reversal of 1120110101221 is 1221010110211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120110101221 - 215 = 1120110068453 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 (1120110101261) by changing a digit.

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, 4969356 + ... + 5189866.

It is an arithmetic number, because the mean of its divisors is an integer number (73142727840).

Almost surely, 21120110101221 is an apocalyptic number.

It is an amenable number.

1120110101221 is a deficient number, since it is larger than the sum of its proper divisors (50173544219).

1120110101221 is a wasteful number, since it uses less digits than its factorization.

1120110101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222284.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1120110101221 its reverse (1221010110211), we get a palindrome (2341120211432).

The spelling of 1120110101221 in words is "one trillion, one hundred twenty billion, one hundred ten million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 29 107 1637 3103 47473 175159 220511 5079611 6394819 23594677 360976507 684245633 10468318703 38624486249 1120110101221