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2211222103211 = 11349615749841
BaseRepresentation
bin100000001011010111000…
…110111010010010101011
321211101112212111110000202
4200023113012322102223
5242212040324300321
64411453231422415
7315520100521112
oct40132706722253
97741485443022
102211222103211
1178285725a250
122b8671984a0b
131306958039b4
1479049138c79
153c7bb76470b
hex202d71ba4ab

2211222103211 has 8 divisors (see below), whose sum is σ = 2412311712048. Its totient is φ = 2010144064000.

The previous prime is 2211222103133. The next prime is 2211222103217. The reversal of 2211222103211 is 1123012221122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2211222103211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211222103217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490350 + ... + 3259491.

It is an arithmetic number, because the mean of its divisors is an integer number (301538964006).

Almost surely, 22211222103211 is an apocalyptic number.

2211222103211 is a deficient number, since it is larger than the sum of its proper divisors (201089608837).

2211222103211 is a wasteful number, since it uses less digits than its factorization.

2211222103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784813.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2211222103211 its reverse (1123012221122), we get a palindrome (3334234324333).

The spelling of 2211222103211 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, one hundred three thousand, two hundred eleven".

Divisors: 1 11 34961 384571 5749841 63248251 201020191201 2211222103211