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2113222211 = 50317872351
BaseRepresentation
bin111110111110101…
…0011011001000011
312110021101210220022
41331331103121003
513311441102321
6545405404055
7103240043462
oct17575233103
95407353808
102113222211
1199494a141
124ab86962b
13278a6a259
1416092c9d9
15c57c9dab
hex7df53643

2113222211 has 8 divisors (see below), whose sum is σ = 2119509504. Its totient is φ = 2106944200.

The previous prime is 2113222169. The next prime is 2113222219. The reversal of 2113222211 is 1122223112.

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 2113222211 - 26 = 2113222147 is a prime.

It is a super-2 number, since 2×21132222112 = 8931416226127457042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113222211.

It is not an unprimeable number, because it can be changed into a prime (2113222219) 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 7 ways as a sum of consecutive naturals, for example, 897686 + ... + 900036.

It is an arithmetic number, because the mean of its divisors is an integer number (264938688).

Almost surely, 22113222211 is an apocalyptic number.

2113222211 is a deficient number, since it is larger than the sum of its proper divisors (6287293).

2113222211 is a wasteful number, since it uses less digits than its factorization.

2113222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641.

The product of its digits is 96, while the sum is 17.

The square root of 2113222211 is about 45969.7967256763. The cubic root of 2113222211 is about 1283.2611769329.

Adding to 2113222211 its reverse (1122223112), we get a palindrome (3235445323).

Subtracting from 2113222211 its reverse (1122223112), we obtain a palindrome (990999099).

The spelling of 2113222211 in words is "two billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred eleven".

Divisors: 1 503 1787 2351 898861 1182553 4201237 2113222211