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1111222102222 = 28919973312563
BaseRepresentation
bin10000001010111001111…
…111111010100011001110
310221020020222102121221101
4100022321333322203032
5121201240324232342
62210253254053314
7143166056010511
oct20127177724316
93836228377841
101111222102222
113992a29a8541
1215b44204a23a
1380a31a2814b
143bad7a70d78
151dd8acb33b7
hex102b9ffa8ce

1111222102222 has 16 divisors (see below), whose sum is σ = 1685651400720. Its totient is φ = 549338967232.

The previous prime is 1111222102213. The next prime is 1111222102229. The reversal of 1111222102222 is 2222012221111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111222102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111222102229) 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, 3398913 + ... + 3711475.

It is an arithmetic number, because the mean of its divisors is an integer number (105353212545).

Almost surely, 21111222102222 is an apocalyptic number.

1111222102222 is a deficient number, since it is larger than the sum of its proper divisors (574429298498).

1111222102222 is a wasteful number, since it uses less digits than its factorization.

1111222102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332627.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1111222102222 its reverse (2222012221111), we get a palindrome (3333234323333).

The spelling of 1111222102222 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 89 178 19973 39946 312563 625126 1777597 3555194 27818107 55636214 6242820799 12485641598 555611051111 1111222102222